Question

只要坚持下去，就一定能学好用英语怎么说

Answer 1

只要坚持下去，就一定能学好。
英语是： As long as we keep working on it, we're sure to learn it well.

句子解释：
as long as 英[æz lɔŋ æz] 美[æz lɔŋ æz]
[词典] 只要; 如果; 既然; 由于;
[例句]You can phone me at work as long as you don't make a habit of it.
你可以上班时给我打电话，只要别一来二去打上瘾了就成。

sure 英[ʃʊə(r)] 美[ʃʊr]
adj. 确信的，确实的; 有把握的; 无疑的; 一定的;
adv. 当然; 确实地; 无疑地;
[例句]He'd never been in a class before and he was not even sure that he should have been teaching
他以前从未教过课，甚至不确定自己该不该教课。

well 英[wel] 美[wɛl]
adv. 好; 很; 好意地; 高高兴兴地;
adj. 良好的; 井的; 健康的; 恰当的;
int. （用于表示惊讶，疑虑，接受等） ;
[例句]Sylvia shook hands. 'Well, you go get yourselves some breakfast.'
西尔维娅摆了摆手说：“嗯，你们自己去吃些早餐吧。”

Answer 2

As long as we keep working on it, and we're sure to learn it well.