mistaken adj.
VERBS be, prove
ADV. badly, gravely, profoundly, sadly, seriously, very (much) You are very much mistaken if you think that people will agree to these changes. | completely, quite, utterly, wholly | somehow
PREP. about I think you're mistaken about the time.
You can also check other dicts: mistaken (English, 中文解释 ), wordnet sense, Collins Definition