1·On behalf of the student union, I'd like to put forward a proposal to save water on our campus.
我谨代表学生会，提出校园节水的提议。
2·I'm convinced I'm the best candidate for the chairman of the Student Union.
我确信我是学生会主席的最佳人选。
3·The entertainment department of our Student Union organizes an activity in which each class shoots a short movie.
我们学生会的娱乐部组织了一次活动，每个班级要为此拍摄一部短片。
4·After class we walked to the student union building and share a chocolate milkshake.
课后我们一同走去学生会大楼，并分享了一杯巧克力奶昔。
5·To be honest, the student Union is a good place where one can develop social skills, get his abilities trained.
老实说，学生会是一个很好的地方，一个可以培养社会技能的地方，一个训练自己能力的地方。