Cut sb some slack:给某人方便,给某人更大的自由,网开一面
To make things easier than useful for sb; allow sb more freedom to do things than they would normally have

I know I made a mistake, but it's my first week on the job, so cut me some slack, ok?
我知道我犯了错,可是这是我工作的第一周,能不能对我网开一面?

Have (got) enough, a lot, on your plate:手头有太多的事要处理,问题或工作等成堆
I can't help you next week, I've got too much on my plate.
我下周不能帮你了,我自己的工作一大堆.
She has a lot on her plate at the moment; that's why she looks so worried all the time.
现在她的问题成堆,所以看上去一直都闷闷不乐的.