好词典
foolish
UK //ˈfuːlɪʃ//US //ˈfuːlɪʃ//
词源
源自中古英语 folish，与古英语 fōl（愚蠢的）相关，最终源自原始日耳曼语。
adjective
❶ 形容人或行为缺乏智慧或判断力，显得愚蠢或不明智。常用于批评或表达不赞同的态度。
“It was foolish of him to quit his job without another one lined up.”
（他还没找到下份工作就辞职，这很愚蠢。）
“She felt foolish for forgetting her best friend's birthday.”
（她忘记最好朋友的生日，觉得自己很蠢。）
同义词:stupid, silly, unwise
常见短语
play the fool — 故意装傻或表现得愚蠢，通常是为了逗乐他人或逃避责任。
“Stop playing the fool and take this seriously.”
（别装傻了，认真对待这件事。）