She was on hands and knees looking for an earring.

　　她正趴在地板上到處尋找耳環(huán)。

　　She settled the blanket around her knees.

　　她用毯子裹住膝蓋。

　　There were holes in the knees of his trousers.

　　他褲子的膝部有破洞。

　　She thinks she's the bee's knees.

　　她自以為很了不起。

　　She sat in the chair, hugging her knees.

　　她雙臂抱膝坐在椅子上。