然后告诉他们：我现在真的不行，我的事情真的是太多了。

And tell them that: "I just can't right now.".. my plate is overloaded as it is.

youdao

我最大的错误是知而不行，而不是行之出错。

The biggest mistakes are mistakes of omission rather than commission.

youdao

那段时间虽然我的嗓子不行，但是教向阳是一件很好玩的事情，他老是被我取笑，笑得我们停也停不下来。

Though my throat was sick then, I kept on teaching him because it was very funny.I often made a joke on him and we often laughed without a stop.

youdao

The bonds are auctioned off on regular dates and you cannot participate in the auction; I assume you can't.

这些债券在规定期限内拍卖,你们不能参与这些拍卖,我想你们是不行的

耶鲁公开课 - 金融市场课程节选

I couldn't and you couldn't either but lots of people have.

你我是都不行,但曾经很多人做到过

耶鲁公开课 - 欧洲文明课程节选