Meaning: happen 
'hæpən
v.
come to pass
happen, occur, or be the case in the course of events or by chance
chance to be or do something, without intention or causation
come into being; become reality
come upon, as if by accident; meet with
happen Idiom, Proverb
whas happenin
happen on
I happened on this old photograph in the back of the drawer．在抽屉后面我偶尔发现了这张旧照片。
At the conference I happened upon an old friend I had not seen for years．在大会期间我偶然遇到了一位多年不见的朋友。
happen on/upon
I happened on this old photograph in the back of the drawer．在抽屉后面我偶尔发现了这张旧照片。
At the conference I happened upon an old friend I had not seen for years．在大会期间我偶然遇到了一位多年不见的朋友。
happen to
I happened to be out when he called．他来访时我碰巧外出了。
happen upon
I happened on this old photograph in the back of the drawer．在抽屉后面我偶尔发现了这张旧照片。
At the conference I happened upon an old friend I had not seen for years．在大会期间我偶然遇到了一位多年不见的朋友。
sit back and let sth happen
Idiom(s): sit back and let sth happenTheme: INACTION
to relax and not interfere with something; to let something happen without playing a part in it.
• I can't just sit back and let you waste all our money!
• Don't worry. Just sit back and let things take care of themselves.
no matter what happens
Idiom(s): no matter what happensTheme: REGARDLESS
in any event; without regard to what happens (in the future).
• We'll be there on time, no matter what.
• No matter what happens, we'll still be friends.
in case sth happens
Idiom(s): in case sth happensTheme: HAPPENING
in the event that something takes place.
• She carries an umbrella in case it rains.
• I have some aspirin in my office in case I get a headache.
Accidents will happen.
Some unfortunate events must be accepted as inevitable.Accident waiting to happen
If something is an accident waiting to happen, there's definitely going to be an accident or it's bound to go wrong. ('Disaster waiting to happen' is also used.)Worse things happen at sea
This idiomatic expression is used as a way of telling someone not to worry so much about their problems.happen on|happen|happen upon
v., literary To meet or find accidentally or by chance. The Girl Scouts happened on a charming little brook not far from the camp. At the convention I happened upon an old friend I had not seen for years.Synonym: CHANCE ON, COME ACROSS1,3.
Compare: HIT ON.
happen
happen1.
happen on
or happen upon
to meet or find by chance
2.
happen to
to be done to or be the fate of; befall
An happen idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with happen, allowing users to choose the best word for their specific context.
Dictionary of similar words, Different wording, Synonyms, Idioms for Idiom, Proverb happen
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