He took a sick leave because of a bad cold.

他因为重感冒请了病假。

He had a bad cold and snot was everywhere.

他得了重感冒，鼻涕到处都是。

She missed an important meeting because of a bad cold.

她因为重感冒而错过了重要的会议。

She has a bad cold and has been coughing all day.

她得了重感冒，整天都在咳嗽。

A bad cold makes it hard for him to concentrate on work.

重感冒让他无法集中精力工作。

The doctor advised him to rest more because he has a bad cold.

医生建议他多休息，因为他得了重感冒。

Because he had a bad cold.

因为他得了重感冒。

I have a bad cold and my head really hurts.

我得了重感冒，头真的很痛。

I have a bad cold.

我得了重感冒。

He has a bad cold.

他得了重感冒。