Animals
Body
Health
Colors
Food and drinks
100

Situation where price of shares on the stock market are rising

Bull market

100

To make mistakes.

put a foot wrong

100

On the point of dying

at death's door

100

 An office worker

White-collar worker

100

Of little value or importance

small beer

200

Stop participating in something which is too dangerous or difficult

Chicken out

200

Hurry up

shake a leg

200

Feeling slightly unwell

under the weather, off colour

200

Lose one's temper; become suddenly angry

see red:

200

Something entirely different, more complex or demanding

a different kettle of fish

300

Manual labour or jobs that are routine or least important

Donkey work

300

To have a sudden idea or solution

To have a brainwave

300

At the peak of your physical and mental form

fighting fit

300

Suddenly and unexpectedly

Out of the blue

300

gossip

on the grapevine 

400

Face up to problem instead of avoiding it

Take the bull by the horns

400

Part of a something

Leg

400

A little bit worse than normal

below par

400

Put on a special welcome for an important person

Roll out the red carpet

400

Unfair or harsh treatment usually of a financial or moral kind

a raw deal

500

A difficulty which prevents total enjoyment

A fly in the ointment

500

Being an unrealistic person

ave your head in the clouds

500

Being quite ill

in poor shape

500

Someone who is totally fair and honest

whiter than white

500

To say or present something in a very brief way using very few words

in a nutshell