为班级出力用英文怎么说

"出力"是指努力工作或努力学习。在英文中，常用的表达有：

"give one's best effort" 意思是尽最大努力。例如：

"I always try to give my best effort in everything I do." 意思是：我在做任何事情时都会尽力做到最好。
"The students in my class are all working hard and giving their best effort." 意思是：我班里的学生们都在努力工作，尽力做到最好。

"put forth effort" 意思是付出努力。例如：

"I know you can succeed if you put forth the effort." 意思是：如果你付出努力，我相信你一定能成功。
"The teacher is encouraging the students to put forth more effort in their studies." 意思是：老师鼓励学生们在学习中付出更多努力。

希望以上回答能帮到你！