Expressions

Have a very little experience

• Green

• flying colours

Warm welcome

• nose in the air

• open arm

Cheerful or easy going

• Cats and dogs

• happy-go-lucky

To do something very often to get better result.

• practice makes perfect

• Flying colours

The story that is very difficult to believe.

• Tall story

• Bookworm

To help

• Foot the bill

• Lend a hand

Someone who reads a lot.

• Cold shoulder

• Bookworm

It's very rare to do or happen.

• Turn over a new leaf

• Once in a blue moon

Raining extremely heavily.

• Raining cats and dogs

• Cry over spilt milk

Almost too late/the last moment

• Eleventh hour

• See eye to eye