महाभारतः mahābhārataḥ - book-5, chapter-22, verse-16

सुचेतसौ बलिनौ शीघ्रहस्तौ सुशिक्षितौ भ्रातरौ फल्गुनेन ।
श्येनौ यथा पक्षिपूगान्रुजन्तौ माद्रीपुत्रौ नेह कुरून्विशेताम् ॥१६॥

16. sucetasau balinau śīghrahastau; suśikṣitau bhrātarau phalgunena ,
śyenau yathā pakṣipūgānrujantau; mādrīputrau neha kurūnviśetām.

16. sucetasau balinau śīghrahastau
suśikṣitau bhrātarau phālgunena
śyenau yathā pakṣipūgān rujantau
mādrīputrau na iha kurūn viśetām

16. The two sons of Mādrī (Mādrīputrau) — those with keen minds, who are strong, swift-handed, and well-trained by Phalguna (Arjuna) — like two hawks tearing apart flocks of birds, will certainly not spare the Kurus here.

Words meanings summery:

• सुचेतसौ (sucetasau) - with good minds, intelligent, wise (dual)

• बलिनौ (balinau) - strong, powerful (dual)

• शीघ्रहस्तौ (śīghrahastau) - swift-handed, quick at work (dual)

• सुशिक्षितौ (suśikṣitau) - well-trained by Phalguna (well-trained, highly disciplined (dual))

• भ्रातरौ (bhrātarau) - two brothers

• फाल्गुनेन (phālgunena) - by Arjuna, by Phalguna

• श्येनौ (śyenau) - two hawks, two eagles

• यथा (yathā) - as, just as, like

• पक्षिपूगान् (pakṣipūgān) - flocks of birds, crowds of birds

• रुजन्तौ (rujantau) - tearing apart, breaking (dual)

• माद्रीपुत्रौ (mādrīputrau) - Nakula and Sahadeva (the two sons of Mādrī)

• न (na) - not, no

• इह (iha) - in this situation, on this battlefield (here, in this world)

• कुरून् (kurūn) - the Kurus

• विशेताम् (viśetām) - they will not spare (lit. 'will not enter [into them]') (they might enter, they might spare (dual))

Words meanings and morphology

सुचेतसौ (sucetasau) - with good minds, intelligent, wise (dual)

(adjective)

Nominative, masculine, dual of sucetas

sucetas - well-minded, intelligent, having good thoughts

Compound: su (good) + cetas (mind, consciousness)

Compound type : karmadhāraya (su+cetas)

• su – good, well
  indeclinable
  Prefix
• cetas – mind, consciousness, intellect
  noun (neuter)
  From √cit
  Root: cit (class 1)

Note: Refers to Mādrīputrau.

बलिनौ (balinau) - strong, powerful (dual)

(adjective)

Nominative, masculine, dual of balin

balin - strong, powerful, mighty

From bala (strength) + -in suffix

Note: Refers to Mādrīputrau.

शीघ्रहस्तौ (śīghrahastau) - swift-handed, quick at work (dual)

(adjective)

Nominative, masculine, dual of śīghrahasta

śīghrahasta - swift-handed, quick in action

Compound: śīghra (swift) + hasta (hand)

Compound type : karmadhāraya (śīghra+hasta)

• śīghra – swift, quick, rapid
  adjective (masculine)
• hasta – hand
  noun (masculine)

Note: Refers to Mādrīputrau.

सुशिक्षितौ (suśikṣitau) - well-trained by Phalguna (well-trained, highly disciplined (dual))

(adjective)

Nominative, masculine, dual of suśikṣita

suśikṣita - well-trained, thoroughly instructed

Past Passive Participle

From √śikṣ with prefix su-

Compound type : karmadhāraya (su+śikṣita)

• su – good, well
  indeclinable
  Prefix
• śikṣita – trained, learned, instructed
  adjective (masculine)
  Past Passive Participle
  From √śikṣ
  Root: śikṣ (class 1)

Note: Refers to Mādrīputrau.

भ्रातरौ (bhrātarau) - two brothers

(noun)

Nominative, masculine, dual of bhrātṛ

bhrātṛ - brother

r-stem noun.

Note: In apposition to `mādrīputrau`.

फाल्गुनेन (phālgunena) - by Arjuna, by Phalguna

(proper noun)

Instrumental, masculine, singular of phālguna

phālguna - relating to the month Phālguna; name of Arjuna

Note: Agent for `suśikṣitau`.

श्येनौ (śyenau) - two hawks, two eagles

(noun)

Nominative, masculine, dual of śyena

śyena - hawk, falcon, eagle

Note: Used in comparison with `mādrīputrau`.

यथा (yathā) - as, just as, like

(indeclinable)

पक्षिपूगान् (pakṣipūgān) - flocks of birds, crowds of birds

(noun)

Accusative, masculine, plural of pakṣipūga

pakṣipūga - flock of birds, multitude of birds

Compound: pakṣin (bird) + pūga (flock, crowd)

Compound type : tatpurusha (pakṣin+pūga)

• pakṣin – bird, winged creature
  noun (masculine)
• pūga – multitude, host, heap, flock
  noun (masculine)

Note: Object of `rujantau`.

रुजन्तौ (rujantau) - tearing apart, breaking (dual)

(adjective)

Nominative, masculine, dual of rujant

rujant - breaking, tearing, hurting

Present active participle

From √ruj, present stem + śatṛ suffix

Root: ruj (class 6)

Note: Refers to the two hawks.

माद्रीपुत्रौ (mādrīputrau) - Nakula and Sahadeva (the two sons of Mādrī)

(proper noun)

Nominative, masculine, dual of mādrīputra

mādrīputra - son of Mādrī

Compound: Mādrī (name) + putra (son)

Compound type : tatpurusha (mādrī+putra)

• mādrī – Mādrī (name of Pāṇḍu's second wife)
  proper noun (feminine)
• putra – son
  noun (masculine)

Note: Subject of the sentence.

न (na) - not, no

(indeclinable)

इह (iha) - in this situation, on this battlefield (here, in this world)

(indeclinable)

कुरून् (kurūn) - the Kurus

(proper noun)

Accusative, masculine, plural of kuru

kuru - name of an ancient king and his descendants

u-stem noun.

Note: Object of `viśetām`.

विशेताम् (viśetām) - they will not spare (lit. 'will not enter [into them]') (they might enter, they might spare (dual))

(verb)

3rd person , dual, active, optative (vidhiliṅ) of viś

Optative active, 3rd person dual

From √viś, Parasmaipada, 6th conjugation (often used with 'na' in a specific idiom meaning 'not to spare')

Root: viś (class 6)