认不出来

• out of all knowledge

例句

1. 自从我上次离开这里以来，这小城已变得认不出来了。
   The town has altered out of all recognition since I was last here.
2. 自从我上次离开这里以来，这小城已经变得认不出来了。
   The town has altered out of all recognition since I was last there.