"To beat about the bush" / "To beat around the bush"
To speak around something / to waste a lot of time speaking before getting to the point (often to avoid an awkward/uncomfortable topic)
"it's raining cats and dogs"
it's raining really hard
"to stumble over (your) words"
to have trouble saying something / to speak with a lot of pronunciation errors, usually because you're nervous
"to lose the thread"
"be unable to follow what someone is saying or remember what one is going to say next."
"to go around in circles"
"to talk without achieving anything because the speakers keep coming back to the same point or problem." - any long, pointless discussion
"to labo(u)r the point" / "to belabo(u)r the point"
to repeat or stress something too much or too often
"To beat a dead horse"
"to waste time and effort trying to do something that is impossible" / "to keep talking about a subject that has already been discussed or decided"
"to talk at a mile a minute"
to talk really fast
once in a blue moon
very rarely
out of the blue
something that happened unexpectedly and without warning
"A white lie"
a lie people tell to make someone else feel better; often considered harmless (eg. "you look great, honey")
"A bookworm"
Someone who reads a lot
Under the weather
sick; ill
"to drive (someone) up the wall"
to drive someone crazy / to make someone really irritated or frustrated
"to kick the bucket"
to die / to pass away
"To cut corners"
To take a shortcut (in a negative way) / to save time and/or money at the expense of quality
