Idioms with THINK

think big
to be ambitious; to have plans to be very successful
You need to think big if you want to succeed.

think twice
to think very carefully before deciding to do something
If I were you, I would think twice before doing that.

think straight
to think in a clear or logical way
I was so tired, I couldn’t think straight.

think for yourself
to have an independent mind or attitude
You need to learn to think for yourself.

think on your feet
to make a quick decision or give an answer quickly
In this job, you need to be able to think on your feet.