n. 问题;疑难问题;习题;引起麻烦的人;
adj. 成问题的;难处理的;关于社会问题的;
💡 problem- 【希腊传入拉丁】字面上表”向前抛的东西”也表问题
"His mind reached after an understanding of the problem."
他开动脑筋,想弄懂这个问题.
近义:headache, hitch, imbroglio, jam, knot, matter
反义:repair, reparation, workaround, remedy, refitting, overhauling