Oh man! Something in this room is making my eyes itch. I must be allergic to something.
12、at sb' s service 愿为某人服务
I am at your service at any time.
13、around the clock 24小时不停
Martha studied around the clock for management exam.
14、as far as I know 就我所知
But as far as I know, he once won the world champion at the Olympic Games.
15、at home with 对……很熟悉
She is at home with problems like this.
16、back out 退出
A：Wasn' t Bert supposed to sing tonight?
B：Yes, but he backed out at last minute.
17、be cut out for 适合于，有做某事物的天赋
She is cut out for a dancer.
18、be absorbed in 全神贯注于某事物
She has been absorbed in a horrorfiction. I can' t tear her away.
19、be addicted to 对某事物上瘾
She has been addicted to drugs for years.
20、be attached to 对某事物有感情
A：I' m amazed that you are still driving that old car of yours. I thought you would have gotten rid of it years ago.
B：It runs well and I' ve actually been quite attached to it.