華語：難題
hard nut to crack, tough problem, problem that is difficult to solve, ask too much of, make an unreasonable request of, make an unconscionable demand upon (a person)
華語：難題
difficult problem
《Maryknoll台英辭典》
原作者：Maryknoll Language Service Center
以 姓名標示-Sio-kâng方式分享 3.0 國際 (CC BY-SA 4.0) 授權
資料來自 ChhoeTaigi 的字詞資料庫