fool

/ful/

a person who lacks good judgment

Chinese meaning: 傻瓜；愚人

Only a fool would ignore the warning signs of a financial crisis.

只有傻瓜才会忽视金融危机的警告信号。

He felt like a fool after realizing his mistake in the calculation.

意识到计算错误后，他觉得自己像个傻瓜。