on its last legs 

Something that is on its last legs is in such bad condition that it will soon be unable to work as it should.

快用壞了，快用到頭了

I've had this laptop for five years now, and it's really on its last legs.

這個筆記本電腦我已經(jīng)用了5年了，現(xiàn)在的確是快要報廢了。

This relationship is on its last legs.

這段關(guān)系已經(jīng)快玩兒完了。

That show is on its last legs.

那個節(jié)目已經(jīng)黔驢技窮了。

（素材來自每日學(xué)英語，如有侵權(quán)請聯(lián)系刪除）