Tom was very calm.

Source: Tatoeba

She calmed down.

Source: Tatoeba

Calm down and explain it from the beginning.

Source: Tatoeba

Stay calm.

Source: Tatoeba

Tom, you need to calm down.

Source: Tatoeba

Tom was very calm.

Source: Tatoeba

Whatever happens, keep calm.

Source: Tatoeba

Please remain calm.

Source: Tatoeba

Cool off!

Source: Tatoeba

Steady on!

Source: Tatoeba

Calm down, and listen to me speak from the beginning.

Source: Tatoeba

Talk calmly.

Source: Tatoeba