帮忙将下面几个句子译成英文.

问题描述:

帮忙将下面几个句子译成英文.
最后一项测试时,他遇到了一些麻烦.
主考官要他假设一个小孩突然过马路并要他在听到敲窗声时马上停车.
他反应迟钝,很久才刹车.

我是一名在职中学教师,
He encountered some difficulties in the last test.
The claims examiner demanded him to image a unexpected boy was crossing the road ,and stopping his car when he heard the knock of windows.
He was slow in reacting and stopped his car after a long while.