Underwater

 

Definition:

The current value is less than the original value

Examples:

That stock is underwater now, so he can’t sell it or he’ll lose lots of money on his original investment.

An underwater option would be worthless if it expired today.

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.

 

Push the Envelope

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.