to break (into pieces); to be broken; to collapse; to crumble; to become less formal; to throw off reserve
to crunch; to masticate; to simplify; to explain plainly
to take great pains; to make every effort; to rack one's brains; to be concerned; to worry
to collapse; to give up; to lose one's nerve; to have one's knees give way
collapsing in the middle of a bout; breaking down (while in the middle of something); faltering halfway
take a chance; go for broke; nothing ventured, nothing gained
breaking (into pieces); shattering; something that has been broken into pieces; conclusion; course of events
breaker; breaking wave; broken sea
to grind up; to grind down; to pound; to crush; to mash; to stamp (ore)
to rub to pieces; to grind into powder
easy (e.g. explanation, description); plain; familiar; informal (e.g. greeting, expression); friendly; affable (e.g. person)