retainer
US
UK retainer n: (advance fee)
SC 聘用定金 pìn yòng dìng jīn
George paid the lawyer a retainer to secure her services for his court case.
retainer n: (teeth: after braces) (摘下牙箍后用的)
SC 牙架，固位体 yá jià，gù wèi tǐ
After having her braces removed, Wendy still had to wear a retainer.
retainer n: dated (servant)
SC 仆人 pú rén
SC 侍从 pú rén，shì cóng
Jeeves is a faithful family retainer.