neat as a new pin

例句：

1. 1. The room was neat as a pin after the cleaning.
   房间在打扫后整洁如新。
2. 2. She always keeps her desk neat and organized.
   她总是把桌子收拾得井井有条。
3. 3. The clothes were neatly folded on the bed.
   衣服整齐地叠在床上。