A picture is worth a thousand words really means...
It is easier to show something in a picture than describe it with words
Through thick and thin really means...
We've been through a lot of good and bad times together
Bite off more than you can chew really means...
Take on too many things
The best of both worlds really means...
You get to do/have two things you really like!
Two thumbs up really means...
It's super awesome!
Get your act together really means...
Stop acting that way
Steal someone's thunder really means...
Take the attention away from them
Smell something fishy really means...
Something is not right and suspicious
Throw someone under the bus really means...
Tell/tattle on someone
Under the weather really means...
Sick
Down to earth really means...
Chill personality
Give the cold shoulder really means...
Avoid talking to someone
Rain on someone's parade really means...
Dismiss their happiness/good news
The early bird gets the worm really means...
The first person there gets first pick/best choice
It's raining cats and dogs really means...
It's raining very heavily.
