godan verb (-ku), transitive verb
crunch; masticate; chew up
Literal physical action of biting and crushing something hard or tough with the teeth.
犬が骨を噛み砕いている。
The dog is crunching a bone.
氷を噛み砕くのは歯に悪い。
Crunching ice is bad for your teeth.
godan verb (-ku), transitive verb
simplify; explain in plain terms; break down
Figurative use: making a complex idea easy to understand, as if breaking it into small pieces.
難しい理論を噛み砕いて説明してくれた。
He explained the difficult theory in simple terms.
子どもにもわかるように噛み砕いて話してください。
Please break it down so that even a child can understand.