People
Big shot
Kill time
Do something to spend time
Eat like a horse
To eat a lot
Larger than life
Fish out of water
To be uncomfortable
Couch potato
A lazy person who does not do a lot, usually watches TV
Beat the clock
Hard nut to crack
Difficult
Hang in there
Keep going
Butterflies in your stomach
Under the weather
Time is money
Every minute costs money
Walk on eggshells
Trying to be careful
Burn your bridges
To destroy your connections or friendships
Hold your horses
Be patient
Jack of all trades
Someone who is good at many things
Call it a day
Stop
Piece of cake
Easy
More than you can chew
Do too much
Cat got your tongue
To be quiet
A snowball's chance in hell
No chance, no way to succeed, impossible
Once in a blue moon
Very rarely / not often
Bring home the bacon
Make money
The light of my life
The most important thing
All bark and no bite
To pretend to look scary or mean