1. It's about time. 正是时候。2. It's beyond me.我不懂。3. It's kid's play.那真太容易了！4. It's rush hour.这是上班高峰时间。5. It's shaping up.进展顺利。6. It's a deal/date! 一言为定！7. Leave me alone! 别管我！不要理我。