không kém một xu 
not a penny less [ không ] : (1) no, not; (question tag); (2) air; (3) empty
[ kém ] : to be less than, inferior, poor, lack, be missing, be short of, weak, not very
[ một ] : one; a, an
[ xu ] : cent, coin
Most Common Compounds Set 1:
Most Common Compounds Set 2 :