To deceive another person
TO DO A SNOW JOB ON SOMEONE
e.g: That car salesman did a snow job on that innocent young man.
To have an operation
TO GO UNDER THE KNIFE
To believe something
TO BUY IT
e.g: The teacher didn’t buy my story.
To lose an oportunity
TO MISS THE BOAT
Not to mince words
TO BE VERY OUTSPOKEN
To be astonished
TO BE FLABBERGASTED
To pay for yourself
TO GO DUTCH
e.g: When they go to a restaurant they go Dutch
To be a VIP
TO BE A BIGWIG
To be aware of something
TO BEAR IN MIND
Getting gradually worse
FROM BAD TO WORSE
To have complete faith on someone or something
TO SWEAR BY
e.g: The doctor swears by this medicine.
To make sure something is done
TO SEE TO IT