1. From out of this grayness, two figures approach us — an unremarkable middle-aged man and woman —
    有两个人影从这一片灰色中走近我们——一个不起眼的中年男子和一个女人。

2. For middle school students: a zero or no grade on the assignment or the test on which the student cheated.
    中学生作弊：作弊的那次作业或考试作零分计或不给分；