adj.
not before noun发疯；疯了 crazy
The poor chap's gone doolally.
这可怜的小伙子疯了。
The poor chap 's gone doolally .
How can that handsome guy fall in love with that old woman ? He must have gone doolally .
那个帅哥怎么会喜欢上那个老女人？他肯定脑子出问题了。
Have you gone completely doolally ?
你完全发疯了吗？
doolallydoolallydoolally