这位老师在短短一个月内让全班成绩大幅提升，真是个奇迹创造者。

The teacher who improved the whole class's grades in just one month is truly a ___miracle-worker.

我们的数学老师简直是个奇迹创造者，他能轻松解决最复杂的题目。

Our math teacher is a real ___miracle-worker - he solves the toughest problems with ease.