Fed up: bored or unhappy, especially with a situation that has continued for too long 厌烦;厌倦;不愉快
You look fed up. What's the matter?
你满脸不高兴的样子。怎么啦?
I'm fed up with waiting for her.
我等她等烦了。
People are fed up with all these traffic jams.
人们厌烦这么多的交通堵塞。
In the end, I just got fed up with his constant complaining.
他不停地发牢骚,终于使我厌烦。
I wish he'd get a job. I'm fed up with it(= with the situation).
但愿他能找到工作。这样下去我都烦死了。
Slip out: when something slips out, you say it without really intending to 无意中说出(或泄露)
I'm sorry I said that. It just slipped out.
抱歉,我说了这样的话。这不过是无意中说出口的。