sillily

例句：

1. 1.He's always been a silly boy.
   他一直都是个愚蠢的男孩。
2. 2. She was so foolish to believe that lie.
   她那么愚蠢地相信那个谎言。
3. 3. The dummy was placed in the middle of the room.
   那只木偶被放在房间中央。