have英语单词速记（日常英语口语Havea）

have a lot/ too much/ enough on (one's) plate

有很多事情需要处理，或操心

Just leave it be, you already have a lot on your plate.别管它了，你已经有很多事需要忙了。

Sorry, I can't do that right now, I've got too much on my plate already.不好意思我现在没法做那个，已经有太多事情需要我去处理了。