big, great
It is a great mistake to assume that your children will agree with you.

bad, dreadful, fundamental, ghastly, grave, serious, terrible | costly, expensive
This dress was an expensive mistake.

disastrous, fatal | tragic | elementary, little, simple
All those problems because of one little mistake!

common | genuine, honest | deliberate | past
The company has learned from its past mistakes.

stupid | spelling

make
Don''t make the same mistakes as I did.

repeat | learn from | pay for
Ordinary people are paying for the government''s mistakes.

discover, realize
Too late, she realized her mistake.

acknowledge, admit (to) | correct, put right, rectify

happen, occur
Mistakes are bound to happen sometimes.

by ~
I picked up the wrong bag by mistake.

~ about
I made a mistake about her.

all a mistake
I kept telling myself that it was all a terrible mistake.

an easy mistake to make
Don''t worry about it - it''s an easy mistake to make!

easily
An unwary observer could easily mistake this constellation for a comet.

can''t
You can''t mistake him. He''s got long ginger hair.

for
I''m sorry. I mistook you for George.

there is no mistaking sth
There was no mistaking the admiration in his eyes.