diffidently

例句：

1. 1.She diffidently stepped out of the room.
   她胆怯地走出了房间。
2. 2.He diffidently asked for directions from a stranger.
   他胆怯地向一个陌生人问路。
3. 3.The shy child diffidently spoke to the teacher.
   害羞的孩子胆怯地向老师说话。