watch over (students taking an exam, to prevent cheating)
造句
用作名詞(n.)
As a gowned university proctor walked towards the stage, and the Chinese audience turned on the man, he threw a grey trainer. 正當(dāng)著正裝的校方學(xué)監(jiān)走上講臺，中國聽眾轉(zhuǎn)向那名男子時，他投擲了一只灰色運動軟鞋。