form nail

例句：

1. 1. She carefully formed her nails before putting on the polish.
   她在涂上指甲油之前仔细地修剪了指甲。
2. 2.The man had a deep groove in his fingernails from years of manual labor.
   这位男士的手指因多年的手工劳动而留下了深深的凹槽。
3. 3. The doctor advised him to take care of his fingernails to prevent infection.
   医生建议他注意保护手指，以免感染。