cái tật 
habit, vice [ 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
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
cái tật xấu bad habit có cái tật to have a habit, be in the habit of (doing sth)