不光彩的

例句：

1. 1. He felt ashamed of his actions and decided to leave the room.
   他为自己的行动感到羞愧，决定离开房间。
2. 2.The company's poor performance has made it look shabby.
   公司的糟糕表现让它看起来不体面。
3. 3. She was embarrassed by her mistakes and tried to hide them from others.
   她对自己的错误感到尴尬，试图不让其他人知道。