begun

动词 begin:

1. take the first step or steps in carrying out an action
   同义词：get down, begin, get, start out, start, set about, set out, commence
2. have a beginning, in a temporal, spatial, or evaluative sense
   同义词：begin, start
3. set in motion, cause to start
   同义词：begin, lead off, start, commence
4. begin to speak or say he began
   同义词：begin
5. be the first item or point, constitute the beginning or start, come first in a series
   同义词：begin
6. have a beginning, of a temporal event
   同义词：begin
7. have a beginning characterized in some specified way
   同义词：begin, start
8. begin an event that is implied and limited by the nature or inherent function of the direct object
   同义词：begin, start
9. achieve or accomplish in the least degree, usually used in the negative
   同义词：begin
10. begin to speak, understand, read, and write a language
    同义词：begin

1. She'd begun spending a lot of money, and the obvious inference was that she'd stolen it.
   她花起钱来大手大脚了，事情很明显，钱是偷来的。
2. Well begun is half done.
   好的开端是成功的一半。
3. These potatoes have begun to sprout.
   这些马铃薯开始发芽了。
4. Birds had begun to chirp among the trees.
   鸟儿们已经开始在树林里叽叽喳喳地叫了。
5. We leave tomorrow but I haven't begun to pack yet!
   我们明天动身，但我现在还没开始收拾行李呢！
6. Hardly had the game begun when it started raining.
   比赛刚刚开始就下起雨来。
7. The company has begun to scale down its operations in Asia.
   这家公司已开始减少在亚洲的业务。
8. They have begun to do the prevention of crime.
   他们已经开始防止犯罪行为。

be.gun

v.（动词）
Past participle of begin
begin的过去分词