转身用英语可以说"turn around"或"turn on one's heels"。"turn around"来自英语动词"turn"，意思是"旋转、转向"，而"on one's heels"是一个固定短语，意思是"向后转"。

例句：

She turned around and walked away. 她转身走开了。

He turned on his heels and ran back to the house. 他转身就跑回了房子。

I quickly turned around to see who was behind me. 我快速转身看看身后是谁。

She turned around to face her attacker. 她转过身来面对攻击者。