I-3:in and out of 进进出出
A:How are you recently?
A:近来身体怎么样？
B:Not good. Ever since I had that operation two years ago, I have been in and out of the hospital.
B：不太好，自从两年前那次手术之后，我就在断断续续住院治疗。
A:Sorry to hear that. Well, do take care of yourself.
A：知道这个消息真让人难过，多保重身体啊。
