cựu lệ 
ancient tradition [ cựu ] : old, ancient, former
[ lệ ] : (1) custom, rule, regulation; (2) tear; (3) to depend on, rely on; servant; (4) to be shy; (5) epidemic; (6) lichee; (7) beautiful; (8) to encourage
Most Common Compounds Set 1:
Most Common Compounds Set 2 :