二x小b姐
韦博外教作答:try my very best to learn English well 努力学好英语; I'll give my all to English study. 我会尽全力学英语。 do my utmost to learn English well (很正式的英语,比较少用)
繁星若雨
他尽力使他的英语精益求精 He tries to make his English keep improving He tries to get his English keep seeking perfection He tries /does his best /upmost to seek for ever greater perfection。