使绊子

Traditional (Taiwan): 使絆子

shǐbànzi ㄕˇ ㄅㄢˋ ˙ㄗ

    • to sabotage someone secretly
    • to trip someone up by underhanded means

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
use a trip (in wrestling)
Meaning
To secretly sabotage someone by underhanded means. Critical.

Sources