barely的疑惑.

题目

barely的疑惑.
我看了几个句子,但是关于barely的翻译不同.
Barely 50％ of the population voted.只有一半的投票.
He was barely 20 years old and already running his own company.他只有20岁,却已经经营起了自己的公司.
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They arrived barely a minute later.过了不到一分钟他们就来了.
He was barely 30 and in his prime of life. 他还不满30岁.,正是英姿勃发的年华.

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