You can't keep using your bad back as an excuse.

你不能老拿腰疼当托词呀。

《牛津词典》

Get back to peel these potatoes, and don't ever use that as an excuse for anything again!

回去削土豆皮，别再拿这个当借口了！

youdao

The first celebrants of Groundhog Day were Pennsylvania Dutch who used the holiday as an excuse to get together and party.

第一批参加土拨鼠日庆典的人就是宾夕法尼亚荷兰人，他们利用这个节日聚会举行派对。

youdao

They say the Earps and Doc Holliday did not fire in self-defense, but used the law as an excuse for murder.

VOA: special.2010.02.15

Tajikistan ended its civil war becuase they were afraid they were returning to another Afghnastan Uzbekistan has striked for human rights record using as an excuse of the threat of the Islamic foundemantalism coming from Afghnastan.

因为害怕变成第二个阿富汗，塔吉克斯坦结束了内战,塔吉克斯坦结束了内战,乌兹别克斯坦利用人权作为借口,来阻止阿富汗的原教主义。

普林斯顿公开课 - 国际座谈会课程节选

He also believed pro-slavery extremists would use Lincoln's election as an excuse to take Southern states out of the union.

VOA: special.2009.07.09

Politicians should not view such results as an excuse to let themselves off of the hook.

FORBES: The Debt Ceiling and Your Portfolio

We also have players suspended and I have not used that as an excuse.

CNN: Kaka sent off as Madrid miss Ronaldo

And we certainly can't do it just as an excuse to give me another tax cut.

WHITEHOUSE: President Obama Speaks on Skills for American Workers