The idiom "a bear of a day" refers to a particularly difficult, challenging, or exhausting day. It suggests that the day felt burdensome or overwhelming, much like the image of a bear, which is often seen as a heavy and formidable creature. People often use this expression to convey that they faced numerous obstacles or stressors throughout the day.
Just a flowery word for day.
No. It is a simile.
It's not an idiom. It means just what it says -- it's either going to rain that day, or it will be sunny.
It takes a long time to do an important job
You don't. That's not an idiom. You are probably thinking of the phrase bear in mind, which is not an idiom. "Bear" means to hold or carry something, so "bear in mind" just means to keep something in your mind or think about it.Bear in mind, you should always look up the meanings of words in a dictionary.
The idiom "bear with" means to tolerate or proceed in spite of ; to carry on. Examples : "Until the construction was complete, we would have to bear with the inconvenience."
It refers to a day being noteworthy or of hanging a banner of announcement, usually of good news.
"A black day" is an idiom in contemporary English that is relatively uncommon but still quite useful. With "black" referring primarily to darkness (of night, of a storm, etc.) when there ought to be light, its basic meaning is simply this: "a bad or difficult day."
The more honest a person is, the more he bears the brunt. This is an idiom stating the ordinary man.
The phrase means to be nervous or anxious about something.
It's not really an idiom. It means "what are you thinking about."
RFP is not an idiom. It's an abbreviation.