begin的用法:begin作为动词，含义为“开始”、“启动”、“开始存在”、“起初是”，后面可接动词不定式或动名词形式，固定搭配为begin to do sth，begin doing sth，意为“开始做某事”。
begin的中文意思及用法介绍
begin作为动词，意为开始;启动;起始;开始存在(或进行);起初是;本来是。例句有：
1、We began work on the project in May.
我们于五月份启动了这项工程。
2、He always begins his lessons with a warm-up exercise.
他讲课前总是先让学生做预备练习题。
3、I was beginning to think you'd never come.
我开始以为你是不会来了。
4、Work on the new bridge is due to begin in September.
新桥定于九月份动工。
5、He began as an actor, before starting to direct films.
他先是当演员，后来开始执导影片。
6、Use ‘an’ before words beginning with a vowel.
在以元音开始的词之前使用an。
7、He began a new magazine on post-war architecture.
他创办了一份专论战后建筑的新杂志。
8、He didn't even begin to understand my problem.
他完全没有弄明白我的问题。
9、Could I begin with a few formalities?
请允许我开场先讲几句套话。
10、What began as a local festival has blossomed into an international event.
原先的地方节日已经发展成为一项国际性活动。
