The act of surrendering something as a forfeit.

投降的行为（在同意的条件下）。

youdao

A bird, by singing, may forfeit time that could otherwise be spent on other important behaviors such as foraging or resting.

一只鸟，通过唱歌，可能会失去原本可以花在其他重要行为上的时间，比如觅食或休息。

youdao

One inference was that, if the Palestinians failed to secure a state, Israelis might forfeit theirs too.

一个推论是，如果巴勒斯坦人不能保卫自己的国家，以色列可能会失去他们的国家。

youdao

It is remarkable how much more effective a new year's resolution to lose weight is if you make it public and agree to a forfeit if you fail.

ECONOMIST: Schumpeter

Perhaps even resulting in a forfeit had they stopped scoring.

FORBES: Paolo Di Canio Stops Play

After Cleveland Heights High took the case to court, the judge in the case at first ruled that a forfeit is a forfeit, so the teams that were in, were out, and those out, were in.

FORBES: Ohio High School Football Playoffs Have Their Opening Games -- In Court