Maybe you're catching a cold.

也许你是感冒了吧。

You must guard against catching a cold.

你一定要防止得感冒。

Put on a coat for fear of catching a cold.

穿上外套以避免伤风。

You must guard against catching a cold .

你必须小心以防感冒。

Sneezes are not the only way of catching a cold.

打喷嚏不是感冒的唯一传染途径.

Sneezes are not the olny way of catching a cold.

打喷嚏并不是得了感冒的唯一症状.

Thus, in order to prevent catching a cold, people should strengthen their immune systems by becoming more active socially.

于是研究者得出结论，拥有积极的社会生活可能能够帮助加强免疫系统。

A study published in the Archives of Internal Medicine suggests that if you average less than seven hours of sleep per night, your chances of catching a cold triple.

《内科医学文献（Archives of Internal Medicine）》公布的一份研究报告表明，如果平均每晚睡眠少于7小时，得感冒的几率翻两倍。