sit up

He sits up very late, to the detriment of his health.

他经常熬夜, 损害健康。

Dorothy could ramble all day on the hills and sit up talking to Coleridge all night without being scolded by her aunt for unwomanly behaviour.

白，多罗茜可以上漫步；晚上，她可以夜与柯律支聊，而心姨妈会为此责备她像个淑女。