taking at advantage

Verb

take at advantage (third-person singular simple present takes at advantage, present participle taking at advantage, simple past took at advantage, past participle taken at advantage)

1. (transitive) To avail oneself of an (often unfair) opportunity against.
   • […] he was a man of great personal vigour and activity, and unless taken at advantage, which no doubt was at present much to be apprehended, he was likely to make a formidable defence.1833, Sir Walter Scott, Anne of Geierstein