该管弦乐队一直在刻苦排练演奏霍尔斯特和斯特拉文斯基的作品。The orchestra's been swotting up their Holst and Stravinsky.要想精通英语就必须刻苦努力.To gain a complete mastery of English, one must study very hard.确保成功的惟一途径是刻苦努力.The only ladder to assure success...

“刻苦”的拼音为：kè kǔ ...

“刻苦”的英语可以翻译为：assiduous，hardworking，painstaking，（俭朴） simple and frugal，assiduity ...