Vietnamese edit

Etymology edit

mất (to lose) +‎ công (work, labor).

Pronunciation edit

Verb edit

mất công

  1. (colloquial) to put one's effort (into something that turns out to useless or not needed)
    Tối qua mất công cày bài cả đêm mà sáng ra đề dễ ẹt.
    Man, last night I put all my effort into studying but (it turned out that) the test this morning was piss easy.

Adjective edit

mất công

  1. (colloquial) useless
    chuyện mất cônguseless things, useless affairs.

Derived terms edit

Derived terms