Idiom

to catch someone in the act

Meaning

to catch someone doing something wrong

Illustration

Henry was sleeping in class and his teacher caught him in the act.

Idiom

as easy as pie

Meaning

very easy

Illustration

The examination was not difficult. In fact, it was as easy as pie.

Idiom

to put on an act

Meaning

to pretend

Illustration

Mrs Lee thought John was ill, but he was only putting on an act.

Idiom

castles in the air

Meaning

dreams and hopes that will never come true

Illustration

All these dreams of you becoming a singer are just castles in the air.

Idiom

with open arms

Meaning

to willingly accept or greet

Illustration

The family welcomed their guest with open arms.