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.

　　我立刻對新老板產生了好感。

　　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。