umbles

例句：

1. 1.He was so stupid that he forgot his keys at home.
   他太愚蠢了，他把钥匙忘在家里了。
2. 2. She felt foolish for not being able to solve the problem on her own.
   她因为自己无法独立解决问题而感到愚蠢。
3. 3. The clumsy child bumped into the table and spilled all the juice.
   这个笨手笨脚的孩子撞到了桌子，把所有的果汁都洒了出来。