就在那时的英文：
at that moment

At the precise moment the train started.
就在那时,火车启动了。

At that moment a chime sounded from the front of the house.
就在那时，房前传来一声铃。

It was just then that I chanced to look round.
就在那时，我恰好环顾了下四周。

I said to myself right then that nothing would ever happen to that gravy boat as long as I lived
就在那时我对自己说，只要我活着，我决不会再让这只盘子出事。

at this exigent moment
在此危急关头

On the spur of the moment
一时冲动

stalling moment
失速力矩|使气流离体力矩

He relaxed for a moment.
他浑身放松了一会。

At the very moment, there was a loud crack.
就在那一刹那，突然传来一阵巨大的爆裂声。