横撑船

Traditional (Taiwan): 橫撐船

héngchēngchuán ㄏㄥˊ ㄔㄥ ㄔㄨㄢˊ

    • to put obstacles in the way of a matter

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
punting a boat sideways
Meaning
Putting obstacles in the way so that a matter can't proceed smoothly. Critical.

Sources