| begin to busy oneself(expression, activity, business, task, affair) |
| busy-hour call attempt(expression, activity, business, task, affair) |
| busy-wait loop(expression, activity, business, task, affair) |
| busy bee(expression, activity, business, task, affair) |
| busy business(expression, activity, business, task, affair) |
| busy crossings(expression, activity, business, task, affair) |
| busy hour call attempt(expression, activity, business, task, affair) |
| busy idleness(expression, activity, business, task, affair) |
| busy picture(expression, activity, business, task, affair) |
| busy railway line(expression, activity, business, task, affair) |
| busy road(expression, activity, business, task, affair) |
| busy server(expression, activity, business, task, affair) |
| busy signal(expression, activity, business, task, affair) |
| busy thoroughfares of a great city(expression, activity, business, task, affair) |
| busy time(expression, activity, business, task, affair) |
| busy vehicular route(expression, activity, business, task, affair) |
| busy voice mail port(expression, activity, business, task, affair) |
| busy voicemail port(expression, activity, business, task, affair) |
| engagements keep him busy(expression, activity, business, task, affair) |
| get busy(expression, activity, business, task, affair) |