lick a file

例句：

1. 1. She licked the file with her tongue to clean it.
   她用舌头舔了舔文件来清理它。
2. 2. The old man scratched his beard with a knife.
   老人用刀刮胡子。
3. 3. The car was scratched by the tree branches.
   汽车被树枝刮伤了。