đầu óc ông ấy lúc nào cũng đầy mộng tưởng 
his head was always filled with dreams [ đầu ] : (1) beginning, first; (2) head, mind, pole, end, hood (of a car)
[ óc ] : brain, spirit, mind
[ ông ] : Mr., you (m)
[ ấy ] : that, those
[ lúc ] : moment, instant, time; when, at the moment that
[ nào ] : which, any, every
[ cũng ] : also, too
[ đầy] : full, filled; fully
Most Common Compounds Set 1:
Most Common Compounds Set 2 :