to accept something quickly and with enthusiasm: I think if she were given the opportunity to work here, she'd pounce on it.

pounce (up) on someone or something to spring or swoop upon someone or something; to seize someone or something.

From Longman Dictionary of Contemporary English pounce on somebody/something phrasal verb 1 to criticize someone’s mistakes or ideas very quickly and eagerly Teachers are quick to pounce on students’ grammatical errors. 2 to eagerly take an opportunity as soon as it becomes available When they offered O'Leary the chance to become manager, he pounced on it. → pounce → See Verb table

to quickly notice something that someone has said or done, especially in order to criticize it synonym seize on/upon something The press immediately pounced on his comments.

pounce (up) on someone or something to spring or swoop upon someone or something; to seize someone or something. (Upon is formal and less commonly used than on.)