What's wrong?
Although pollution destroys buildings, but it can be cleaned up.
no BUT
respiratory
lungs
Very expensive
An arm and a leg
Tell someone sth that you were NOT supposed to like a secret
Let the cat out of the bag
The way you look does not reveal/show what you are really like
You can't judge a book by its cover
Even if you try hard, you would fail.
not WOULD but WILL
Cognitive
Brain
Happening very rarely
Once in a blue moon
To become comfortable in what you are doing
Find your feet
Found my feet
Annoying or irritating someone
Driving someone up the wall
Even thought he never exercises, he is going to climb mount Everest.
spelling: THOUGH
Digestive
Intestines
Something positive that isn't recognised until later
Believe that every bad situation has a positive side
Every cloud has a silver lining
Saying sth in a joking way but it seems serious
Tongue in cheek
Despite you make noise, the children were still sleeping.
not MAKE but MAKING
Cardiovascular
Heart
It's better to do sth rather than just talk about it
Actions speak louder than words
Not sure between two different decisions
Sit on the fence
Flogging a dead horse
In spite of going on holiday we have to finish our BTEC.
punctuation: ...holiday, we....
Olfactory
Nose (smell)
A very small part of sth much bigger
A drop in the ocean
Have two very BAD choices
Stuck between a rock and a hard place
Things from the past are not important anymore