Subject + 转身 + Verb
转身 (zhuǎnshēn) means "to turn around" or "to turn one's body" and describes the physical action of rotating one's body to face a different direction. It is often used in narratives to indicate a character quickly changing direction, especially in reaction to something.
她转身离开了房间。
Tā zhuǎnshēn líkāi le fángjiān.
She turned around and left the room.
听到有人叫他,他立刻转身看。
Tīngdào yǒu rén jiào tā, tā lìkè zhuǎnshēn kàn.
Hearing someone call his name, he immediately turned around to look.
他转身一看,发现后面没有人。
Tā zhuǎnshēn yī kàn, fāxiàn hòumiàn méiyǒu rén.
He turned around and found that there was no one behind him.