succeed的反义词前缀为un
例句
1.
If at first you don't succeed, try, try again.
一次不成功就反复尝试。
2.
Who's to say we would not have succeeded if we'd had more time?
要是时间更充裕，没准儿我们就已成功了，谁说得准呢？
3.
You will have to work hard if you are to succeed.
要想有所作为，你必须苦干。
success反义词前缀un，即unsuccess succeed：动词 successful：形容词 success： 名词
