BG 2.33
अथ चैत्त्वमिमं धर्म्यं संग्रामं न करिष्यसि। ततः स्वधर्मं कीर्तिं च हित्वा पापमवाप्स्यसि
atha chet tvam imaṁ dharmyaṁ saṅgrāmaṁ na kariṣhyasi tataḥ sva-dharmaṁ kīrtiṁ cha hitvā pāpam avāpsyasi
Refuse to fight in this righteous cause, and you will be a traitor, losing fame, incurring only sin.
Translated by Shri Purohit Swami
But if you will not fight this righteous war, then having abandoned your own duty and reputation, you will incur sin.
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
atha chet—if, however; tvam—you; imam—this; dharmyam saṅgrāmam—righteous war; na—not; kariṣhyasi—act; tataḥ—then; sva-dharmam—one’s duty in accordance with the Vedas; kīrtim—reputation; cha—and; hitvā—abandoning; pāpam—sin; avāpsyasi—will incur