Jump the gun - जल्दीबाजी में फैसला लेना 
Don't jump the gun, wait for confirmation.
Let the cat out of the bag - राज़ खोल देना 
He accidentally let the cat out of the bag about our plan.
Bite the bullet - कठिन परिस्थिति को सहन करना 
I had to bite the bullet and apologize.
Hit the jackpot - बड़ी सफलता प्राप्त करना 
He hit the jackpot when he won the lottery 
Burn the midnight oil - देर रात तक मेहनत करना 
I had to burn the midnight oil to finish my work.