答：
“新学期新开始”用英语这样说：new start new semester。
【短语】:
新学期开始 The new semester start.
新学期刚开始 new semester .
新学期开始了 The New Term Begins.
我在新学期的开始 I began the new semester.
今天新学期又开始了 New term begins today .
我的新学期开始了 My new term begins.
同学们新学期开始了 Students began the new semester.
【双语例句】
1，因为他决定在新学期开始前几天返校。
That's because Qu decided to return to campus a few days before the semester began.
2，迟到的申请书必须在新学期开始前的四个月前 呈交上来,以便进行核查。
Late applications must be submitted at least four months prior to the beginning of a term and will beeviewed.
3，每逢新学期开始，他都要给学生简单解释一下自己留胡须的原因，他的胡须现在已经超过了1英尺且开始变得灰白。
At the start of each school year he gives students a brief explanation of his beard, which stretches more than a foot long and has started turning gray.