名詞 vest:

1. a man's sleeveless garment worn underneath a coat
   同義詞：waistcoat
2. a collarless men's undergarment for the upper part of the body
   同義詞：singlet, undershirt

動詞 vest:

1. provide with power and authority
   同義詞：invest, enthrone
2. place (authority, property, or rights) in the control of a person or group of persons
3. become legally vested
4. clothe oneself in ecclesiastical garments
5. clothe formally; especially in ecclesiastical robes
   同義詞：robe

1. A woman's laced outer garment, worn like a vest over a blouse.
   緊身馬甲婦女穿的有花邊的外衣，如背心一樣穿在外衣的上面
2. His shirt was so thin that his vest showed through (it).
   他的襯衫很薄，連里面穿的背心都能看見。
3. He only wears a vest in the room.
   他在家里只穿了一件背心。
4. The constitution vests the president with the power to declare war.
   憲法授予總統(tǒng)宣戰(zhàn)權。

vest

n.（名詞）
A sleeveless garment, often having buttons down the front, worn usually over a shirt or blouse and sometimes as part of a three-piece suit.
馬甲：一種無袖衣服，經(jīng)常在前面有扣，穿在襯衣或短上衣的外面，有時作為三件套西服的一部分
A waist-length, sleeveless garment worn for protection:
防護衣：用于防護的一種到腰長的無袖衣服：
例句：
a thick, down vest; a bulletproof vest.
厚實的羽毛背心；防彈背心

A fabric trim worn to fill in the neckline of a woman`s garment; a vestee.
V形飾布：一種填滿婦女衣服頸部的一種織物裝飾；背心式胸衣
Chiefly British An undershirt.
【多用于英國】 內衣

Archaic Clothing; raiment.
【古語】 衣服；服裝
Obsolete An ecclesiastical vestment.
【廢語】 教衣
v.（動詞）
vest.ed,vest.ing,vests
v.tr.（及物動詞）
To place (authority, property, or rights, for example) in the control of a person or group, especially to give someone an immediate right to present or future possession or enjoyment of (an estate, for example). Used within :
授權：給某人或者群體權威、財產(chǎn)或者權利，特別是給某人對當前或者將來財產(chǎn)或者享樂（如地產(chǎn)）的權利。與in 一起用：
例句：
vested his estate in his daughter.
把他的地產(chǎn)授權于他的女兒

To invest or endow (a person or group) with something, such as power or rights. Used withwith :
授予，賦予：提供或給予（某人或者群體）一些東西比如力量或者權利。跟with 一起使用：
例句：
vested the council with broad powers; vests its employees with full pension rights after five years of service.
給予議會廣泛的權力；服務滿五年者，使享有全額退休金的福利

To clothe or robe, as in ecclesiastical vestments.
穿衣服，穿教服：穿上，尤其指教服
v.intr.（不及物動詞）
To become legally vested.
合法地被授予
To dress oneself, especially in ecclesiastical vestments.
給自己裝上教服

來源：
French veste [robe]
法語 veste [長袍]
from Italian vesta
源自 意大利語 vesta
from Latin vestis [garment] * see wes- 2
源自 拉丁語 vestis [衣服] *參見 wes- 2