làm việc nhặm lẹ 
to be prompt in one’s work [ làm ] : to do, work, make, function as, serve; to cause something to happen
[ việc ] : affair, thing, work, job, matter, business, idea
[ nhặm ] : irritate
[ lẹ ] : fast, speedy, quick, rapid
Most Common Compounds Set 1:
Most Common Compounds Set 2 :