我感冒了。
wǒ gǎnmàole
I caught a cold.
他感冒了三天。
tā gǎnmàole sān tiān
He has been sick with a cold for three days.
她有感冒。
tā yǒu gǎnmào
She has a cold.
感冒要多休息。
gǎnmào yào duō xiūxi
For a cold you should rest more.