LEARNit Dictionary
feed off
phrasal verb
1
to eat something
تغذیه کردن از, غذا خوردن از
2
to become stronger because of something else
بهرهبرداری کردن از, قدرتگرفتن از, توانمند شدن به واسطه
Racism feeds on fear.
He feeds off the work and reputation of others.