He was back on familiar ground, dealing with the customers.
他又干起了與顧客打交道的老本行。
She looked around for a familiar face.
她環顧四周想尋找一個熟人。
Complaints about poor food in schools have become a familiar refrain.
抱怨學校飯菜差已是耳熟能詳的老調了。
The story had a familiar ring to it.
這個故事聽起來耳熟。
He became familiar with the dark underbelly of life in the city.
他逐漸熟悉都市生活的陰暗面。