(1) 困難(state or quality of being hard or not easy; trouble) [U][N(in)]：do sth with～費力地做某事;do sth without(much/any)～(頗/毫)不費力地做某事;lead to～導(dǎo)致困難出現(xiàn);have/find no(little/great/much)～(in) finding sth/recognizing sb 找到某物/認(rèn)出某人沒有(幾乎沒有/非常/頗)費勁;have a lot of～with the work/English grammar 做那工作/學(xué)英語語法很費勁;the～of the experiment 做那個實驗的困難;〖同〗trouble;
(2) 難事(題)(sth difficult to do， make， solve， understand or deal with) [C， 通常pl]：solve the～of transportation 解決運輸難題;overcome the～of meeting people 克服怕見人的畏難心理;find/feel/face/meet with/get over/overcome/present a～發(fā)現(xiàn)/覺出/面對/遇到/克服/克服/造成一困難;raise (make/create)～ies over sth 為難(作梗);financial/emotional～ies 財政/感情困難;be in a～(over doing sth)(做某事)有困難;be in～ies 財政有困難;get/run into～ies(with sth)(某事)遇上了困難;get out of a～擺脫困境;〖同〗trouble， problem;〖反〗ease;
←′difficult adj