It will be remembered that the previous pilgrimages had all been performed under extraordinary circumstances.

Gomez laughed, happy that her friend had performed so well under such trying circumstances.

They refuse to perform abortions under circumstances where the law would never intervene.

Departing was performed after a regular review and under normal circumstances.

Due to urgency and danger from the volcano, this work is often performed under very stressful circumstances.

"Our pleasure, you have been performing a difficult job under extreme circumstances."

Partial birth abortion is rarely performed and only under serious circumstances.

Once the robot has learned a task, it is able to perform it even under different circumstances.

I think they performed well under very trying circumstances.

Some missions have you perform under certain circumstances, like a time limit.