retainer

英 [rɪˈteɪnə(r)]

美 [rɪˈteɪnər]

n. (聘请律师等的)预付费用，保留金; (为保留租房而付的)租房订金; 牙齿固位体; 保持器

复数：retainers　

Collins.1 / BNC.14524 / COCA.17162

牛津词典

noun

（聘请律师等的）预付费用，保留金
a sum of money that is paid to sb to make sure they will be available to do work when they are needed
1. The agency will pay you a monthly retainer.
  这个机构将会每月付给你聘用金。
（为保留租房而付的）租房订金
a small amount of rent that you pay for a room, etc. when you are not there in order to keep it available for your use
牙齿固位体；保持器
a device that keeps a person's teeth straight after they have had orthodontic treatment with a brace
（尤指服务多年的）仆人，家仆
a servant, especially one who has been with a family for a long time

N-COUNT 定金;预付金
Aretaineris a fee that you pay to someone in order to make sure that they will be available to do work for you if you need them to.
1. I'll need a five-hundred-dollar retainer...
  我将收取500美元的定金。
2. Liz was being paid a regular monthly retainer.
  利兹每月得到一笔预付金。
N-COUNT （服务多年的）仆人，家仆
A servant who has been with one family for a long time can be referred to as aretainer.
1. I found the gardener, a family retainer, morosely surveying the scene.
  我发现这个园丁——家里一个服侍多年的仆人，愁眉苦脸地审视着这个场景。

noun

a dental appliance that holds teeth (or a prosthesis) in position after orthodontic treatment
a person working in the service of another (especially in the household)
Synonym:servant
a fee charged in advance to retain the services of someone
Synonym:consideration

Secure final drive to a vice using the retainer plate.
用固定板将主减速器固定到虎钳。
I think Chris left his retainer here.
我想克里斯把他的矫牙器忘在这儿了。
Position the end cap on the rear of the retainer and the outer edge of the bumper.
在扣件尾部和保险杆边缘外部定位末端端盖。
Support the engine using a jack and retainer plate.
用千斤顶和固定板支撑发动机。
I unscrewed the retainer ring, put the bulb in first and THEN screwed the retainer on
我旋下固定环，把第一的灯泡和THEN拧上的家臣
Press and open the lugs of the cable retainer.
按下并打开电缆卡子的凸耳。
This type bearing consists of a sleeved outer ring, multi-row balls and a retainer.
直线运动轴承由一个圆筒形外圈和多列钢球及保持架组成。
I am you retainer. I don't mean you no disrespect.
我是你的部下。没有冒犯你的意思。
The top of retainer must drop just below threads in the valve body.
固定器的顶部必须刚好位于阀体内螺纹下方。
Remove retainer plate from the seat frame.
将固定板从座椅骨架上拆下。