| A | B |
| walking on eggs/eggshells | to be very cautious |
| wear your heart on your sleeve | to show one's feelings/emotions openly |
| watched pot never boils | seems to take longer when eagerly awaiting something |
| waiting for the other shoe to drop | to wait in suspense for something to be finished |
| what's good for the goose is good for the gander | what is good for one is probably good for all |
| wash my hands of | to end one's association with or responsibility for |
| when the cat's away the mice will play | when the leader is gone the others will do as they please |
| wet behind the ears | young and inexperienced |
| wet my whistle | get a drink |