Supremum

 Idioms Starts with "B" 1. Born with silver spoon:- To be born in a rich family (There is no doubt that the childrens of Elon Musk have born with silver spoon.) 2. By the Skin of teeth:- Narrow escape (I passed this semester by the skin of teeth). 3. Burn one's finger:- To get into problem/trouble. (The IAS officer burn's his finger by attending the political meeting). 4. Bull in a china shop:- One who is the reason of damage . (No doubt that his presence in the wedding ceremony was like a bull in a china shop). 5. By and By:- Gradually. (Mahesh is recovering by and by). 6. By dint of:- By force of . (Ramesh get success by dint of hardwork).  7. Bank on:- To be depend on. (I don't want to be bank on my family in financial matter). 8. Bad egg:- A worhless. (Observing the result it seems that extra tuition was a bad egg for him.) 9. Brown study:- Study with full attention. (You should do brown study in order to get success.) 10. By fits and start:- full