pledge

1.保证；诺言；誓约a serious promise

sign/take the pledge

发誓戒酒to make a promise never to drink alcohol

1.[t]保证给予（或做）；正式承诺to formally promise to give or do sth

2.[t]使保证；使发誓to make sb or yourself formally promise to do sth

4.[i][t]宣誓参加美国大学生联谊会to promise to become a junior member of a fraternity or sorority

1.保证;(好意或友情的)表示

2.【法】抵押权,抵押,典当;抵押品

3.公约;誓约;戒酒的誓约;(政党领袖等的)诺言;〈美口〉宣誓入会者

4.(表示友谊的)干杯

1.使发誓,保证

2.典当,抵押

3.为...干杯

4.〈美口〉使入会(作后补会员)

1.a serious and public promise to do something; an amount of money that you have promised to give an organization; a promise

2.a student at a U.S. college or university who has been accepted by a private club for women, called a sorority or a private club for men, called a fraternity, but who has not yet been formally made a member

3.something valuable that you give to someone as a way of promising that you will pay them money later

1.to promise seriously and publicly to do something; to promise a certain amount of money for a particular purpose

2.to apply and be accepted by a sorority or fraternity at a college or university in the U.S., before being formally made a member

3.to give something valuable to someone as a way of promising that you will pay them money later