Come along, old chap, and I'll ask the widow to let up on you a little, Huck.

走吧，哈克，老伙计，我去跟寡妇讲，让她对你要求宽容一些。

Why don't you let up on the poor child?

你为什么不能较宽容地对待这个可怜的孩子呢？

Yet she didn't let up on her experiments.

但是她没有认为自己的实验可以到此为止了。

There were some moves to let up on this curfew a little bit.

采取一些措施以缓和宵禁的紧张气氛。

Though Sybbis complained bitterly, Mama would not let up on her.

尽管西比斯大发牢骚，但妈妈不会放她一马。