1) She often passes herself off as a doctor.
她经常冒充医生。
2) She passed herself off as a doctor.
她冒充医生。
3) He passes for a doctor.
他冒充医生。
5) quack
[英][kwæk] [美][kwæk]
n.庸医;江湖医生;冒充内行的人;骗子
6) She is liable to bad colds.
她常患重感冒。
参考词条