关于“hardly…when…”“hardly…when…”可以表示“一…就…”的意思,这里的hardly除了可以换成scarcely以外,还可以换成什么?列举的越多越好.附：不要瞎猜.

Hardly had the thief seen the policeman when he ran away.
= Scarcely had the thief seen the policeman before he ran away.
=No sooner had the thief seen the policeman than he ran away.
=As soon as the thief saw the policeman,he ran away.
=Upon seeing the policeman,the thief ran away.