cuộc đời nổi chìm 
a life full of ups and downs [ cuộc ] : [CL for meetings, gatherings); office, action
[ đời ] : dynasty; life, existence, generation
[ nổi ] : (1) to rise, surface, become; in relief; (2) to be able to
[ chìm ] : to sink (a ship), become submerged; hidden, concealed
Most Common Compounds Set 1:
Most Common Compounds Set 2 :