stay up

短语

大学

不睡觉

发音

stayed up staying up stays up 三单 stays up staying up 现在分词 stayed up 过去式 stayed up 过去分词

1.

Used other than figuratively or idiomatically: see stay, up.

These trousers are too big around the waist. They won't stay up.
2.

To remain awake; to not go to bed.

熬夜

不及物

My plane leaves at 6:00 in the morning, so I plan to stay up until then and sleep on the plane.

She stayed up past her bedtime.
3.

To maintain an erection.

勃起

委婉不及物

He told his lover he has a problem staying up.

动词

sit up

wake