She maintained her composure, though with difficulty, throughout the trial.

尽管十分困难，她在这场磨难中还是保持冷静。

Those who can foresee difficulties on their way to success may keep calm when they really appear.

在走向功的路途中能够预见到困难的人在困难真正现的时候常常能保持冷静的态度。

Keep calm, whatever happens.

无论发什么事都要保持冷静。