我这腿不争气，最后一圈我跑不动了。

My legs failed me and I wasn't able to run the last lap.

youdao

他这个人真不争气。

This chap has let us down.

《新英汉大辞典》

说起他的那个不争气的儿子，老父亲勃然大怒。

Talking of his disappointing son, the old father flew into a rage.

youdao

说起他的那个不争气的儿子，老父亲勃然大怒。

Talking of his disappointing son, the old father flew into a rage.

youdao