keep
美[kip] vi.（食品）保持新；保持健康
n.保持，保养；供养，抚养；生活，生计；饲料；牧草
网络保持；让；保住；城堡主楼
1 . Remember, keep a positive attitude and good things will happen.
记住：保持乐观的心态，好事自然会发生。
来自美剧《摩登家庭》
2 . A fellow doesn't last long on what he has done. He's got to keep on delivering as he goes along.--Carl Hubbell, Baseball Player
靠过去完成的无法让人保有成功，必须在路上持续交出成绩。
来自金山词霸 每日一句
3 . Llewelyn was mounting the stairs up into the keep .
卢埃林登上台阶，走进城堡主楼。
来自柯林斯例句
4 . When you are sitting, keep your elbow on the arm rest.
坐立时，把胳膊肘靠在扶手上。
来自柯林斯例句
5 . It's a constant struggle to try to keep them up to par.
要让他们达标，需要不断努力。
来自柯林斯例句
1.the financial means whereby one lives;
each child was expected to pay for their keep
2.the main tower within the walls of a medieval castle or fortress
3.a cell in a jail or prison
1.keep in a certain state, position, or activity; e.g., "keep clean";
hold in place
2.continue a certain state, condition, or activity;
Keep on working!
3.retain possession of;
Can I keep my old stuffed animals?
4.prevent from doing something or being in a certain state;
We must prevent the cancer from spreading
5.conform one's action or practice to;
keep appointments
6.observe correctly or closely;
The pianist kept time with the metronome
7.look after; be the keeper of; have charge of;
He keeps the shop when I am gone
8.maintain by writing regular records;
keep a diary
9.supply with room and board;
He is keeping three women in the guest cottage
10. allow to remain in a place or position;
We cannot continue several servants any longer
11. supply with necessities and support;
She alone sustained her family
12. fail to spoil or rot;
These potatoes keep for a long time
13. celebrate, as of holidays or rites;
Keep the commandments
14. keep under control; keep in check;
suppress a smile
15. maintain in safety from injury, harm, or danger;
May God keep you
16. raise;
She keeps a few chickens in the yard
17. retain rights to;
keep my job for me while I give birth
18. store or keep customarily;
Where do you keep your gardening tools?
19. have as a supply;
I always keep batteries in the freezer
20. maintain for use and service;
I keep a car in the countryside
21. hold and prevent from leaving;
The student was kept after school
22. prevent (food) from rotting;
preserved meats
keep是一个常用英语单词，既可以做及物动词也可以做不及物动词。常用释义为保持，保留如 keep a seat 等等。另外keep还是程序里的一个常用函数。