noun · used in 胡同 hú​tòng

北京有许多著名的小胡同。

noun · facial hair, including beard, mustache, and whiskers. Used here as part of '胡茬 hú​chá'.

那个流浪汉满脸胡茬，看起来已经很久没有打理过自己了。

abbreviation, proper name, noun · ancient term for non-Han ethnic groups, especially those from the north and west or Central Asia

胡琴最初是由北方的胡人传入中原的。

pronoun · literary interrogative used to mean why, how, or what

胡为乎泥中？

verb · to complete a winning hand in games like mahjong

他等了很久，终于胡了。

proper name · surname Hu

胡先生是我的老师。

noun · facial hair, including beard, mustache, and whiskers

他留了很长的胡子。

idiom · acting in a careless, outrageous, or arbitrary manner

你不要在这里胡说八道。