I’m Sick of It: To express that you are tired of something; to express you don’t like something anymore; Tired of someone or something, especially something that one must do again and again or someone or something that one must deal with repeatedly.This is commonly used when something happens so often that you are tired of it.
中文释义：I’m Sick of It：我受够了，我受不了了。通常用来表示对某事感到厌倦；表示不再喜欢某事。这里的sick并不是“生病”的意思。类似的表达还有：”I’m tired of it.”，”I don’t like it anymore.”。
例句：Mom. I’m sick of setting the table. Ask someone else to do it.（妈妈，我讨厌摆桌子，叫别人做吧。）