take the bait
Definition from Wiktionary, the free dictionary
From the metaphor of a fish swallowing a baited hook.
- Used other than as an idiom: see take, bait.
- (figuratively, US) To accept something offered, especially secretly or deceptively, to cause some action by the acceptor.
- They say they need your help in transferring vast sums of money. Every year thousands of people take the bait.