a stick with a piece that fits under the arm , which you lean on for support if you have difficulty in walking because of a foot or leg injury
发音
例句
1. Her religion was a crutch to her when John died. 约翰死后,她在精神上依靠宗教信仰支撑住自己。 2. He uses his wife as a kind of crutch because of his lack of confidence. 他缺乏自信心,总把妻子当作主心骨。