thành thật mà nói 
to tell the truth [ thành ] : (1) citadel, fortress, wall; (2) to, into; (3) to succeed; (4) to become; (5) honest, sincere
[ thật ] : true, real, actual, very, (ammunition) live
[ mà ] : but, which, where, that, and
[ nói ] : to speak, talk, say, tell
Most Common Compounds Set 1:
Most Common Compounds Set 2 :