महाभारतः mahābhārataḥ - book-7, chapter-133, verse-13

शोभनं शोभनं कर्ण सनाथः कुरुपुंगवः ।
त्वया नाथेन राधेय वचसा यदि सिध्यति ॥१३॥

13. śobhanaṁ śobhanaṁ karṇa sanāthaḥ kurupuṁgavaḥ ,
tvayā nāthena rādheya vacasā yadi sidhyati.

13. śobhanam śobhanam karṇa sanāthaḥ kurupuṅgavaḥ
tvayā nāthena rādheya vacasā yadi sidhyati

13. karṇa rādheya tvayā nāthena kurupuṅgavaḥ
sanāthaḥ śobhanam śobhanam yadi vacasā sidhyati

13. Excellent, excellent, Karna! The foremost among the Kurus truly has a protector in you, O son of Radha, if success can be achieved by mere words.

Words meanings summery:

• शोभनम् (śobhanam) - excellently (adverbial use) (excellent, splendid, beautiful, good)

• शोभनम् (śobhanam) - excellently (adverbial use) (excellent, splendid, beautiful, good)

• कर्ण (karṇa) - Karna

• सनाथः (sanāthaḥ) - having a protector, protected, with a lord

• कुरुपुङ्गवः (kurupuṅgavaḥ) - Duryodhana (as the chief of the Kurus) (the foremost of the Kurus, best among the Kurus)

• त्वया (tvayā) - by you

• नाथेन (nāthena) - as a protector, by the lord

• राधेय (rādheya) - O son of Radha (Karna)

• वचसा (vacasā) - by speech, by words

• यदि (yadi) - if

• सिध्यति (sidhyati) - accomplishes, succeeds, is achieved

Words meanings and morphology

शोभनम् (śobhanam) - excellently (adverbial use) (excellent, splendid, beautiful, good)

(adjective)

Nominative, neuter, singular of śobhana

śobhana - beautiful, splendid, good, auspicious

Root: śubh (class 1)

Note: Used adverbially

शोभनम् (śobhanam) - excellently (adverbial use) (excellent, splendid, beautiful, good)

(adjective)

Nominative, neuter, singular of śobhana

śobhana - beautiful, splendid, good, auspicious

Root: śubh (class 1)

Note: Used adverbially for emphasis

कर्ण (karṇa) - Karna

(proper noun)

Vocative, masculine, singular of karṇa

karṇa - Karna (proper name)

सनाथः (sanāthaḥ) - having a protector, protected, with a lord

(adjective)

Nominative, masculine, singular of sanātha

sanātha - having a master or protector, protected, accompanied by a lord

Compound type : bahuvrihi (sa+nātha)

• sa – with, together with
  indeclinable
• nātha – lord, protector, master
  noun (masculine)

कुरुपुङ्गवः (kurupuṅgavaḥ) - Duryodhana (as the chief of the Kurus) (the foremost of the Kurus, best among the Kurus)

(noun)

Nominative, masculine, singular of kurupuṅgava

kurupuṅgava - bull/chief among the Kurus, foremost of the Kurus

Compound type : tatpurusha (kuru+puṅgava)

• kuru – Kuru (a dynasty or a member of it)
  proper noun (masculine)
• puṅgava – bull, chief, eminent one, best
  noun (masculine)

त्वया (tvayā) - by you

(pronoun)

Instrumental, singular of tvam

tvam - you

नाथेन (nāthena) - as a protector, by the lord

(noun)

Instrumental, masculine, singular of nātha

nātha - lord, protector, master, husband

राधेय (rādheya) - O son of Radha (Karna)

(proper noun)

Vocative, masculine, singular of rādheya

rādheya - son of Radha (Karna's adopted mother)

Derived from Radhā with 'eya' suffix indicating 'son of'

वचसा (vacasā) - by speech, by words

(noun)

Instrumental, neuter, singular of vacas

vacas - speech, word, voice

Root: vac (class 2)

यदि (yadi) - if

(indeclinable)

सिध्यति (sidhyati) - accomplishes, succeeds, is achieved

(verb)

3rd person , singular, active, present indicative (laṭ) of sidh

Root: sidh (class 4)