You could get into a situation where you have to decide immediately.
你可能遇上一種情況，使你不得不立刻作出決定。
By a stroke of fortune he found work almost immediately.
他運氣好，幾乎立刻找到了工作。
The reasons for this decision were not immediately obvious.
作出這一決定的'理由暫時還不清楚。
I took to my new boss immediately.
我立刻對新老闆產生了好感。
When discussing influential modern artists, three names immediately come to mind.
在討論現代有影響的藝術家時，一下子有三個名字出現在腦海中。
A solution immediately suggested itself to me.
我馬上想到了一個解決辦法。