我們剛開始散步就下雨了。
(1)We had hardly begun/Hardly had we begun our walk
when it began to rain
when it began to rain
.
(2)We had no sooner begun our work
We had no sooner begun our work
/ No sooner had we begun our walk
No sooner had we begun our walk
our walk than it began to rain.
(3)The moment
The moment
/ As soon as
As soon as
/ Immediately
Immediately
we began our walk,it began to rain.