bị dằn vặt vì 
to be troubled by [ bị ] : (1) bag, (knap)sack; (2) to suffer, undergo, experience, (suffering passive marker); (3) to prepare for in advance
[ dằn ] : to put down, beat down, press, emphasize
[ vặt ] : miscellaneous, petty, trifling
[ vì ] : since, for, because of, due to, since
Most Common Compounds Set 1:
Most Common Compounds Set 2 :