2012.01.18(수) 은경 - Knock out of the park

[기계과영어대빵(진희)]

Knock out of the park

Knock out of the park
– Achieving something great

A: So, how did you like my performance at the rock festival last night?
B: It was awesome. We believe you really knocked that one out of the park.

Possible interpretation: This originated as a baseball term. Knocking a ball out of the park automatically considered as a home run.