go easy on sth

If you tell someone to go easy on something, you are warning them not to have or use too much of it, because you think that it is bad for them.

如果你告诉某人go easy on某物，你是在告诫他们不要拥有或使用太多，因为你认为这样不好。

Go easy on the milk- that's our last bottle.

省着点喝牛奶——那是我们最后一瓶了。

Go easy on the salt and don't add extra sugar.

少放点盐，不要加过多的糖。