can thiệp trái phép 
unauthorized tampering [ can ] : (1) to stop, dissuade; (2) to concern, involve; (3) to dissuade, stop someone from doing something, interfere, break up; (4) symbol of the Chinese zodiac; (5) shield; (6) liver; (7) to accuse
[ thiệp ] : greeting card
[ trái ] : [CL for bombs, grenades, fruit]; left (opposite of right); against, contrary to, wrong
[ phép ] : permission, authorization
Most Common Compounds Set 1:
Most Common Compounds Set 2 :