stay on
(a) remain in position on top of sth 留在某物上面
My hat won't stay on properly. 我這帽子總也戴不正.
(b) remain alight, burning, running, etc 保持某種活動狀態(亮著、 燒著、 運動著...)
The TV stays on all day at this place. 這個地方的電視成天開著. stay on (at...) remain at (a place of study, employment, etc) after others have left (別人走後)留在(學習、 工作等的地方)
He stayed on at university to do research. 他留在大學里做研究工作.