No cases of the disease had been confirmed yesterday afternoon, but the nine farms which potentially harbour the virus were under strict observation.

And so train-and-equip programs must be kept under strict observation to ensure that they adhere to necessary guidelines.

At Gymnasium, pupils are under strict observation by teachers, and their attendance at all courses is checked regularly.

International migration was rigorously controlled by the regime and the population was under strict observation.

You'll just have to keep yourself under strict observation.

Sometimes, however, even strict observation of traffic laws isn't enough to prevent accidents or deaths.

I did not pretend to be watching him, but I kept strict observation all the same.

His cool gaze warmed as he turned to her mother and said, "Ma'am, my patient should be kept under strict observation for the next few days.

We have made Zimbabwe the subject of strict observation as regards the elections which are due to be held there.

The army too, which did not intervene in the electoral process, must also continue with its strict observation of the constitutional order, as it has promised.