Hyphens are often used in written expressions.

书面表达中经常会使用到连字符。

I think there should be a hyphen between the two words.

我认为这两个单词之间应该加一个连字符。

Try not to use hyphens throughout the article.

整篇文章尽量不要使用连字符。

There are hyphens in "well-to-do".

well-to-do 中有连字符

The dash is longer than the hyphen.

破折号比连字符稍长点。

All options should begin with a "-" (hyphen).

所有选项都应以“-”(连字符)开头。

Is there a hyphen between the two words?

这两个词之间有连字符吗？

Both stdout and stdin are typically denoted as a hyphen (-).

stdout和stdin通常表示为连字符(-)。

The hyphen in -bash indicates that the shell instance is a login shell.

bash 中的连字符说明 shell 实例是一个登录 shell。