[網(wǎng)絡(luò)] 難題;難問題;也指難以處理的事情 a difficult problem: 一道難題an exceedingly difficult problem: 極其困難的問題hammer away at a difficult problem: 刻苦鉆研一難題have a problem with - find…difficult: 在……方面遇到困難be difficult of: 難于, 不易下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯