何其有幸遇见你，可以用以下几种英文文案表达：
How lucky I am to meet you.
How lucky I am that I have ever met you.
Fortunately I met He Qiyou He Qiyou lucky I met you It is a great honor to you. How lucky i am to have met you it's very/How lucky that i had meet
Meet you, be with you, give to you, and have you always by my side这辈子有幸遇见你，把我全部的爱给予你，与你相伴在一起，余生只爱你一人｡幸而遇你，余生予你，长路漫漫，幸而有你｡望余生：你在身边；盼往后：在你身边｡
这些文案都表达了遇见对方的幸运和珍贵，可以根据具体情境选择合适的表达。