Push the Envelope
Posted by englishlessons on January 2, 2007
Definition: Go beyond what is usual or standard; innovate
Examples:
That company is always trying to push the envelope and create something better.
Test pilots are trained to push the evelope and exceed the current speed records.
Source:
Using idioms in conversation demonstrates mastery of a foreign language. Idioms in English shows you how to use stress to pronounce an idiom in a sentence like a native speaker.