trả vốn to 
repay (funds, money) [ trả ] : (1) to pay, repay, pay back; (2) to return, give back
[ vốn ] : (1) capital, funds, principle; (2) original, originally; (3) who (as a relative pronoun)
[ to ] : large, big
Most Common Compounds Set 1:
Most Common Compounds Set 2 :