To drop a dime. = To accuse someone of something.
The gangster dropped a dime on his partner to get out of jail.
To pack heat. = To carry a gun.
You should stay clear of someone who packs heat.
To stay clear. = To keep away.
I always stay clear of strange people and snakes.
The big picture. = The whole story.
No one knows the big picture about the Japanese economy.
On hand. = To be present or to have.
Since I speak a lot, I always have water on hand.
Skeleton staff. = Only enough staff to function.
On a holiday, most companies have only a skeleton staff on hand.
When the going gets tough,the tough get going. = This is an old Marine Corps term. When things go wrong, strong people prevail.
When things are bad, toughen up and get going.
To put your foot into your mouth.=To say something embarrassing or foolish.
If you are shopping with your wife and she asks if she looks fat in this dress, you say "YES". That's putting your foot into your mouth.
C'est la vie.=A French expression that means that's life or it can't be helped.
I wanted to go back to the States for Christmas, but I couldn't get a ticket. C'est la vie.
To swim with the sharks.= To complete with the best.
If you want to swim with the sharks in business, you must speak English.