ba chân bốn cẳng 
to run at full speed [ ba ] : (1) three, tri-; (2) father; (3) wave, ripple
[ chân ] : (1) foot, leg; member; (2) true, sincere, real, honest
[ bốn ] : four
[ cẳng ] : paw, leg
Most Common Compounds Set 1:
Most Common Compounds Set 2 :