一到下课，便现出真面目来了。

But once the class is over, I reveal my ture face.

youdao

罗布：伦敦南部的波普勒小学，一到下课的时候，孩子们就像往常一样旋风般向操场飞奔而去。

Rob: Recess at Poplar Elementary School in South London and the usual 2 whirlwind of small people 3 whooshes towards the playground.

youdao

一到学校我就打电话给美国汽车协会并安排了一辆拖车在我下课后去车子抛锚的地方接我。

As soon as I got there I called AAA and arranged for a tow truck to meet me at my car after class.

youdao