No sooner had I sat down than there was a loud knock on the door.
我刚坐下就有人大声敲门。
He had no sooner got his wings than the Korean conflict broke out.
他刚获得飞行资格，朝鲜战争就爆发了。
No sooner had he arrived in Rome than he was kidnapped.
他刚到罗马就遭到了绑架。
No sooner said than done.
一说就做到了。
No sooner were the pieces of charcoal rubbed against the glass rod than electricity appeared on the rod.
木炭块同玻璃一摩擦，棒上就带电。