It is usually used in the context where you were surprised or amazed by something, usually in a positive sense. It could be some experience that had a major impact on you and you really liked it.
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It means thoroughly awed, impressed, or overwhelmed. "The young singer's performance just blew me away." A related idiom is to "blow my mind" (leave me completely awed or amazed).
Something that totally surprised you.
You blew it means you failed.
It means to explode with anger/vent anger. The boss really blew his stack when I told him to stick his job.
She got mad.
No, "blew his top" is considered an idiom.
It's kind of like "blew his top", which means that he/someone had an outburst of anger.
A literal idiom is a phrase or expression that has a straightforward, concrete meaning that is different from its intended or idiomatic meaning. For example, "kick the bucket" is a literal idiom that means to physically kick a bucket, but its idiomatic meaning is to die.
It mean that you were amazed.
Thieves will be caught.
"Blow it" IS an idiom. Other idioms with similar meaning include "drop the ball" and "miss the boat."
An idiom is a saying or expression. There are many idioms that mean to stay away from, or avoid, someone. An example of such an idiom would be, "to steer clear of" someone.
That when he found out, he got really mad.
The idiom, "Take his temperature" is an idiom because his temperature is not really being taken away from him, it is actually being measured. In fact, the temperature of his body is being measured - that is your answer.