Keep calm. You shouldn't lose your composure.

"保持镇静,要惊慌失措。"

Thousands of panick-stricken residents slept on the streets.

数千人惊慌失措的居人睡在大街上。

The crowd panicked at the sound of the guns.

枪炮声使群众惊慌失措。

Panic took hold of him and he couldn’t move.

他惊慌失措，动。

For a nurse, calming the fears of anxious relatives is all in a day’s work.

对于士来，惊慌失措的亲属是分内的事。

He was dismayed when he found his wallet gone.

他发现丢了钱包而惊慌失措。

The men set off in fear and trepidation.

这群人惊慌失措地出发了。

Whatever may betide, maintain your courage.

无论发生什么事, 都要惊慌失措。

Don't lose your head.

别惊慌失措。