坚持每天锻炼用英文怎么说

坚持每天锻炼用英语可以表达为 "to exercise regularly" 或 "to stick to a daily exercise routine."

来源：
"Exercise" 是英语中的常用词，表示锻炼的意思。"Regularly" 则表示定期的意思，而 "stick to" 则表示坚持的意思。

例句：

I try to exercise regularly to stay in shape. (我尝试定期锻炼来保持体型。)
I made a commitment to stick to a daily exercise routine. (我承诺要坚持每天锻炼。)