tứ khổ 
the four sufferances (birth, old age, disease, death) [ tứ ] : (1) four; (2) idea, though (in literature)
[ khổ ] : unhappy, wretched, miserable; width
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
tứ khổ the four sufferances (birth, old age, disease, death)