Idioms
Fish out of Water
Outside of your comfort zone
End of my Rope
I've had enough!
Drop in the Bucket
Very small amount
Needle in a Haystack
Extremely hard to find
Walk on Eggshells
Try very hard not to upset someone
Cold Feet
To be afraid of doing something
Having the same problem
Kill 2 birds with 1 stone
Solve 2 problems at once with one action