书籍 Total English - 中级 - 第 8 单元 - 第 3 课

to move to a higher position or rank

a person who offers to do something, often without being asked or without expecting payment

to devote one's time and energy to doing or finishing something one was nervous about

any of the available possibilities that one can choose from

to feel sad, sorry, or disappointed about something that has happened or something that you have done, often wishing it had been different

not yet given the money that was promised in exchange for something

used for referring to a very special opportunity that most likely will not be offered more than once to someone

a situation or a chance where doing or achieving something particular becomes possible or easier

to succeed in something, such as getting a job, achieving something, etc.

a job that someone wants to have very much, and often involves doing work that they enjoy

used to encourage someone to try their best in doing or achieving what they want