happen

verb
A1
OPAL
1
A1
to take place, especially without being planned
اتفاق افتادن, روی دادن, رخ دادن, صورت گرفتن, پیش آمدن
2
A1
to take place as the result of something
اتفاق افتادن, رخ دادن, پیش آمدن, روی دادن
She pressed the button but nothing happened.
What happens if nobody comes to the party?
Just plug it in and see what happens.
3
to do or be something by chance
رخ دادن, اتفاق افتادن
She happened to be out when we called.
You don't happen to know his name, do you?
This happens to be my favourite restaurant.
The door happened to be unlocked.
It happened that she was out when we called.
4
used to tell somebody something, especially when you are disagreeing with them or annoyed by what they have said
اتفاق افتادن, رخ دادن, صورت گرفتن
That happens to be my mother you're talking about!