| A | B |
| head honcho | the person in charge |
| head in the clouds | daydreaming |
| piece of cake | especially easy |
| playing with fire | to take a dangerous risk |
| poor as a church mouse | poverty stricken |
| handwriting's on the wall | a warning of danger or trouble |
| hang in there | to continue without giving up |
| hard nut to crack | a difficult person or problem to solve |
| have a bone to pick with you | to have an argument to settle with someone |
| hanging by a thread | to be in a dangerous or unsafe position |