12. to be too close that you feel worried or frightened
too close for comfort
5
13. Deal with a difficult situation without fear
rise to the challenge
5
14. Complete the sentence with an idiom: "You will never learn to play piano if you are not .............................."
stick at it
5
15. What is the idiom: "If you do something ...................................., it means you do it even though there are many problems and it doesn't seem possible to do.