hook, line and sinker

[hook, line and sinker] {adv. phr.}, {informal} Without question ordoubt; completely.

Johnny was so easily fooled that he fell forJoe's story, hook, line and sinker.

Mary was such a romantic girlthat she swallowed the story Alice told her about her date, hook, lineand sinker.

Bobby trusted Jim so he was taken in by his hard-luckstory hook, line and sinker.