| Be careful what you wish for | there may be unforeseen and unpleasant consequences |
| Be on the pig's back | basically you're content /happy /in fine form |
| Be true blue | considered genuine |
| Bear fruit | produces positive results |
| Bear market | investors are pessimistic and expect financial losses and are more likely to sell shares than buy them |
| Bear the burnt | people who bear the brunt of something endure the worst of something bad |
| beard the lion in his own den | challenging or confronting someone in their own territory |
| Beat about the bush | someone who doesnt say things clearly and try to make it hard to understand |
| beat the daylights out of someone | hit them repeatedly |
| beat to the punch | you act before them and gain an advantage |
| beat your brains out | thinking about something so hard butt still cannot solve, understand or remember it |
| Beating a dead horse | trying to convince people without any hope of succeeding |
| Beauty is in the eyes of beholder | different people find different things beautiful |
| Beauty is only skin deep | appearances can be deceptive and something that seems or looks good can turn out to be bad |
| Beck and call | someone who would do anything for you no matter when you ask |
