小胡子

例句：

1. 1. He has a small mustache that he keeps well-groomed.
   他留着一个小胡子，打理得井井有条。
2. 2.The old man had a small beard that he kept trimmed and neatly combed.
   那位老人留着一小胡子，修剪得整整齐齐。
3. 3.The young man has a small mustache that he keeps well-groomed.
   这位年轻人留着一个小胡子，打理得井井有条。