महाभारतः mahābhārataḥ - book-12, chapter-138, verse-7

नित्यमुद्यतदण्डः स्यान्नित्यं विवृतपौरुषः ।
अच्छिद्रश्छिद्रदर्शी च परेषां विवरानुगः ॥७॥

7. nityamudyatadaṇḍaḥ syānnityaṁ vivṛtapauruṣaḥ ,
acchidraśchidradarśī ca pareṣāṁ vivarānugaḥ.

7. nityam udyatadaṇḍaḥ syāt nityam vivṛtapauruṣaḥ
acchidraḥ chidradarśī ca pareṣām vivarānugaḥ

7. saḥ nityam udyatadaṇḍaḥ syāt nityam vivṛtapauruṣaḥ
acchidraḥ ca chidradarśī pareṣām vivarānugaḥ (syāt)

7. One should constantly be ready to enforce discipline, always demonstrate one's prowess, be without flaws oneself, and yet be observant of others' weaknesses and ready to exploit their vulnerabilities.

Words meanings summery:

• नित्यम् (nityam) - constantly, always (always, constantly, perpetually)

• उद्यतदण्डः (udyatadaṇḍaḥ) - ready to enforce discipline (one with an uplifted rod (of punishment), ready to punish)

• स्यात् (syāt) - one should be (one should be, may be)

• नित्यम् (nityam) - constantly, always (always, constantly, perpetually)

• विवृतपौरुषः (vivṛtapauruṣaḥ) - always demonstrating one's prowess (one whose valor/prowess is manifested/revealed)

• अच्छिद्रः (acchidraḥ) - without flaws (oneself) (faultless, flawless, without defects/holes)

• छिद्रदर्शी (chidradarśī) - perceiving the flaws (of others) (one who sees faults/defects)

• च (ca) - and (and, also)

• परेषाम् (pareṣām) - of others (of others, of enemies)

• विवरानुगः (vivarānugaḥ) - pursuing the vulnerabilities (of others) (following openings/vulnerabilities, seeking opportunities)

Words meanings and morphology

नित्यम् (nityam) - constantly, always (always, constantly, perpetually)

(indeclinable)

Used adverbially here.

Note: Adverbial accusative of 'nitya'.

उद्यतदण्डः (udyatadaṇḍaḥ) - ready to enforce discipline (one with an uplifted rod (of punishment), ready to punish)

(adjective)

Nominative, masculine, singular of udyatadaṇḍa

udyatadaṇḍa - one who has uplifted his rod/staff, ready to punish

Bahuvrīhi compound: 'udyata' (uplifted, ready) + 'daṇḍa' (rod, punishment). 'One whose rod is uplifted'.

Compound type : bahuvrīhi (udyata+daṇḍa)

• udyata – uplifted, raised, ready, prepared
  adjective
  Past Passive Participle
  From 'ud-yam' (to raise, lift up)
  Prefix: ud
  Root: yam (class 1)
• daṇḍa – rod, staff, punishment, scepter
  noun (masculine)

Note: Qualifies the implied subject (e.g., a king).

स्यात् (syāt) - one should be (one should be, may be)

(verb)

3rd person , singular, active, optative (liṅ) of as

optative mood

Root 'as' (to be). Optative 3rd singular active.

Root: as (class 2)

नित्यम् (nityam) - constantly, always (always, constantly, perpetually)

(indeclinable)

Used adverbially here.

Note: Adverbial accusative of 'nitya'.

विवृतपौरुषः (vivṛtapauruṣaḥ) - always demonstrating one's prowess (one whose valor/prowess is manifested/revealed)

(adjective)

Nominative, masculine, singular of vivṛtapauruṣa

vivṛtapauruṣa - one whose manliness/valor is displayed/revealed

Bahuvrīhi compound: 'vivṛta' (revealed, manifested) + 'pauruṣa' (manliness, valor, prowess). 'One whose valor is revealed'.

Compound type : bahuvrīhi (vivṛta+pauruṣa)

• vivṛta – uncovered, revealed, manifested, open
  adjective
  Past Passive Participle
  From 'vi-vṛ' (to uncover, reveal)
  Prefix: vi
  Root: vṛ (class 5)
• pauruṣa – manliness, valor, prowess, effort
  noun (neuter)
  From 'puruṣa'

Note: Qualifies the implied subject.

अच्छिद्रः (acchidraḥ) - without flaws (oneself) (faultless, flawless, without defects/holes)

(adjective)

Nominative, masculine, singular of acchidra

acchidra - without gaps/holes, flawless, complete, unbroken

'a' (negation) + 'chidra' (hole, defect). Nañ-tatpuruṣa.

Compound type : nañ-tatpuruṣa (a+chidra)

• a – not, un-
  indeclinable
• chidra – hole, fault, defect, weak point
  noun (neuter)

Note: Qualifies the implied subject.

छिद्रदर्शी (chidradarśī) - perceiving the flaws (of others) (one who sees faults/defects)

(adjective)

Nominative, masculine, singular of chidradarśin

chidradarśin - fault-finder, one who sees defects

Agent noun from 'chidra' + 'dṛś'

Compound 'chidra' (defect) + 'darśin' (seeing). Upapada-tatpuruṣa or a similar construction.

Compound type : upapada-tatpuruṣa (chidra+darśin)

• chidra – hole, fault, defect, weak point
  noun (neuter)
• darśin – seeing, knowing, showing
  adjective (masculine)
  Agent noun/adjective
  From root 'dṛś' (to see) with 'ṇini' suffix
  Root: dṛś (class 1)

Note: Qualifies the implied subject.

च (ca) - and (and, also)

(indeclinable)

Conjunction.

परेषाम् (pareṣām) - of others (of others, of enemies)

(pronoun)

Genitive, masculine, plural of para

para - other, different, alien, hostile, supreme

Note: Refers to the weaknesses ('vivara') of others.

विवरानुगः (vivarānugaḥ) - pursuing the vulnerabilities (of others) (following openings/vulnerabilities, seeking opportunities)

(adjective)

Nominative, masculine, singular of vivarānuga

vivarānuga - following openings, seeking opportunities, pursuing vulnerabilities

Compound 'vivara' (opening, vulnerability) + 'anuga' (following).

Compound type : ṣaṣṭhī-tatpuruṣa (vivara+anuga)

• vivara – opening, gap, hole, fault, vulnerability
  noun (neuter)
  From 'vi-vṛ' (to open)
  Prefix: vi
  Root: vṛ (class 5)
• anuga – following, accompanying, conformable to
  adjective (masculine)
  Agent noun/adjective
  From 'anu-gam' (to follow)
  Prefix: anu
  Root: gam (class 1)

Note: Qualifies the implied subject.