“保持微笑”的英语为：
Keep smiling. Keep smile. Remain smile
双语造句：
1、当你感到尴尬的时候，保持微笑就好。
When you feel embarrassed，just smile and remain smile。
2、不要放弃，保持微笑，有我和你在一起！
Don't give up! keep smile! I'm to be with you!
3、当我看到这个结果是，我保持微笑变得很难。
When I see this result,it is very hard for me to keep smile.
4、首先要这记在心里的就是始终保持微笑。
Have this in mind first and foremost: Keep smiling!
Keep smiling, have a fresh frame of mind.
会飞的小马123
