傻子的英文是fool。
例句：
1、我径直冲进PETERSON的办公室告诉他，如果他升DUGGAN的职，他将是个傻子。
I walked straight into Peterson's office and I told him he would be a fool to hold Doogan's promotion.
2、他对那个人感到厌恶，称他为“傻子和懦夫”，“不配做武士”。
Disgusted with him, he called him "fool and craven" and "unworthy the name of a samurai."
3、傻子都知道不能在汽油周围点火。
Fool don't know better than to light fire around gas.
4、事实是，我一直都是个傻子。
Truth is, I've always been a fool.
5、木已成舟，只有傻子会继续奋战。
the ship has sailed, and that only a fool will continue.
哈啰辉辉
