He was back on familiar ground, dealing with the customers.
他又干起了与顾客打交道的.老本行。
She looked around for a familiar face.
她环顾四周想寻找一个熟人。
Complaints about poor food in schools have become a familiar refrain.
抱怨学校饭菜差已是耳熟能详的老调了。
The story had a familiar ring to it.
这个故事听起来耳熟。
He became familiar with the dark underbelly of life in the city.
他逐渐熟悉都市生活的阴暗面。