“坚持”用英语可以表达为 "persist" 或 "persevere"。

"Persist" 来源于拉丁语 "persistere"，意思是坚持不懈、持之以恒。例如：

I know it's difficult, but you have to persist if you want to succeed. (我知道这很难，但是如果你想成功，就必须坚持下去。)

"Persevere" 来源于拉丁语 "perseverare"，意思是坚忍不拔、不放弃。例如：

She persevered through all the challenges and finally reached her goal. (她坚忍不拔地度过了所有挑战，最终达到了目标。)

所以，如果你想表达“坚持”用英语，可以使用 "persist" 或 "persevere"。