| Ewes heavy in lamb become very quiet, and near lambing are more vigilant and graze less. |
| Just as a watchdog guards a home, so the agency should be vigilant against fraudulent or dangerous products. |
| In fact, given their power back, Americans might be more vigilant in policing the airwaves. |
| They kept a vigilant watch at the back but had to be on guard against the counter. |
| Police have called for residents to be extra vigilant after a cashpoint machine was tampered with in the town centre. |
| Therefore, we need to be ever vigilant and attentive to the status of race in our work as well as in our lives. |
