be here (或 have come) to stay

(informal)be permanent or widely accepted

(非正式)永久；被普遍接受

the private sector is here to stay and likely to expand.

那个私营部门已经得到普遍认可并有可能扩大规模。

stay the course (或 distance)

keep going strongly to the end of a race or contest

（比赛或竞赛中）拼搏到底

a stay of execution

a delay in carrying out a court order

延期执行

stay well

(S. African)used on departing as an expression of good wishes from the person leaving to the one staying

(南非)［分别时离开者对留下者的表达语］留得安好

be in stays

(of a sailing ship) be head to the wind while tacking

（帆船）在掉抢中，转向上风

miss stays

(of a sailing ship) fail in an attempt to go about from one tack to another

（帆船）掉抢失败，抢风失败

stay on

continue to study, work, or be somewhere after others have left

继续学习（或工作）；继续留下

75 per cent of sixteen-year-olds stay on in full-time education.

75％的16岁孩子继续接受全日制教育。

stay over

(of a guest or visitor) sleep somewhere, especially at someone's home, for the night

（客人或造访者呆在别人家里）过夜

stay up

not go to bed

不睡觉，熬夜

they stayed up all night.

他们彻夜未眠。

stay put

To remain in a fixed or established position.

坚守：保持在固定或确定的位置上

stay the course

To hold out or persevere to the end of a race or challenge.

坚持到比赛或挑战的最后