1. continue to be high不下降If his temperature stays up all day,call the doctor. 假如他的體溫居高不下,就請醫生吧。
The temporary roof won't stay up much longer. 那臨時屋頂挺不了多久。
2. remain late out of bed遲睡Please don't stay up for me,I may be late. 不要遲睡等我,我可能會晚回來的。
He stays up late most nights,reading business reports. 他常常熬夜看業務報告。