throw in the towel

例句：

1. 1. If you can't win, just throw in the towel and moveon.
   如果你赢不了，就认输继续前进吧。
2. 2. The team decided to throw inthe towel after losing the match.
   在输掉比赛后，队伍决定认输。
3. 3. She threwin the towel when she realized she couldn't beat her opponent.
   当她意识到无法战胜对手时，她选择了认输。