掰開揉碎

1. • lit. to pull apart and knead to a pulp
2. • fig. to analyze minutely from every angle
3. • to chew sth over

Character by character

• 掰(bāi)break off or break open sth with one's hands
• 開(kāi)open
• 揉(róu)knead
• 碎(suì)shatter