n. an unshaved growth of hair on the upper lip
n. 髭, 胡子
1. He decided to grow a mustache for the summer.
他决定在夏天留一个胡子。
2. Many people think a mustache gives a man a mature look.
很多人认为胡子让男人看起来成熟。
3. His mustache makes him look like a famous actor.
他的胡子让他看起来像一位著名演员。