cái tật xấu 
bad habit [ cái ] : (1) [CL for most inanimate objects, isolated events]; (2) object, thing; (3) female; (4) main, principle; (5) solid substances in soup (as opposed to nước, the liquid, broth)
[ tật ] : infirmity, disease, illness, (bad) habit, vice
[ xấu ] : bad, ugly, unattractive, foul, nasty, terrible, awful, poor quality
Most Common Compounds Set 1:
Most Common Compounds Set 2 :