Quite a lot
Much or many.There are quite a lot of people in the meeting hall.
Quite a few
Many.The boy has quite a few DVDs at home.
Quite a bit
Much or many.I had quite a bit of time so I went to the library.
Quiet as a mouse
Very quiet, shy and silent.The little boy was quiet as a mouse as he moved around the kitchen.
Quick on the uptake
To be quick to understand something.The student is quick on the uptake and understands most scientific theories quickly.
Quick on the trigger
To be quick to respond to something, to be quick to draw a gun and shoot.The man was too quick on the trigger and should have thought more... Read more →
Quake in one’s boots
To be afraid, to shake from fear.I was quaking in my boots when my boss told me to come to his office.
Psych (someone) out psych out (someone)
To find out the real motives or intentions of someone.I tried to psych out the salesman to see how much he would sell the car for.
Provided that (something is so)
On the condition that something is so.We plan to go hiking this weekend provided that the weather is good.
Prove to be (someone or something)
To be shown or discovered to be someone or something.The problem with the computer proved to be much easier to fix than we had thought.