act as one sees fit

The manager trusted her staff to act as they saw fit during the crisis.

经理信任她的员工在危机期间便宜行事。

You may act as you see fit, as long as you don't break any laws.

只要不违法，你可以便宜行事。

In such unpredictable situations, soldiers are trained to act as they see fit.

在这种不可预测的情况下，士兵受训便宜行事。