5b

Question 1

A bit of a dark horse

Answer 1

Person with hidden abilities

Question 2

Be for the high jump

Answer 2

About to be reprimanded/punished

Question 3

Be in two minds about sth

Answer 3

Not be able to decide what to do

Question 4

Be sound asleep

Answer 4

Sleep deeply

Question 5

Be the perfect image of sb

Answer 5

Look exactly like sb

Question 6

Before one can say Jack Robinson

Answer 6

Extremely quickly

Question 7

Break the ice

Answer 7

Ease the tension when one first meets people

Question 8

Eat one’s heart out

Answer 8

Feel jealous/sad about sth

Question 9

Flog a dead horse

Answer 9

Waste time doing sth useless

Question 10

Fly off the handle

Answer 10

Quickly become very angry

Question 11

Get out of hand

Answer 11

Become out of control

Question 12

Get the hang of it

Answer 12

Get in the habit of doing sth

Question 13

Go to one’s head

Answer 13

Make conceited

Question 14

Grey matter

Answer 14

Brains; intelligence

Question 15

Hand in glove with sb

Answer 15

Be in very close contact with sb

Question 16

Have a job to do sth

Answer 16

Find sth difficult to do

Question 17

Have many irons in the fire

Answer 17

Have lots of plans/possibilities in progress at the same time

Question 18

Have one’s heart in one’s mouth

Answer 18

Extremely anxious

Question 19

Have time on one’s hands

Answer 19

Have free time

Question 20

Hold one’s horses

Answer 20

Wait, be patient

Question 21

Ill at ease

Answer 21

Embarrassed, uncomfortable

Question 22

Keep sth under one’s hat

Answer 22

Keep sth secret

Question 23

Keep up with the Joneses

Answer 23

Compete with others in status/material goods

Question 24

Lend sb a hand

Answer 24

Give help to sb

Question 25

Like the back of one’s hand

Answer 25

Be very familiar with sth

Question 26

Lose heart

Answer 26

Become discouraged

Question 27

Make heart nor tail of

Answer 27

Understand sth

Question 28

Off the cuff

Answer 28

Without preparation

Question 29

Stew in one’s own juice

Answer 29

Suffer the consequences of one’s own actions

Question 30

Straight from the horse’s mouth

Answer 30

From the most direct source

Question 31

Have sb’s hands full

Answer 31

Be very busy with sth

Question 32

Sth comes in handy

Answer 32

Be very useful/practical

Question 33

Strike gold

Answer 33

Come across sth useful

Question 34

Take sth to heart

Answer 34

Take personally/be influenced by

Question 35

Take to one’s heels

Answer 35

Run away

Question 36

The ins and outs

Answer 36

The detail of an activity

Question 37

The tip of the iceberg

Answer 37

Small evident part of a much larger, concealed situation