殊不知

rén men dōu shuō zhè ge nán fāng chéng shì dōng tiān wēn nuǎn shū bù zhī tā de qì wēn bǐ běi fāng hái dī

人们都说这个南方城市冬天温暖，殊不知它的气温比北方还低。

They all say this southern city is warm in winter, but its temperature is even lower than that in the northern part of the country.

rén men dōu bù zhù yì zhè yī diǎn shū bù zhī zhè yǒu duō me wēi xiǎn

人们都不注意这一点，殊不知这有多么危险。

Nobody pays attention to this point, but it is very dangerous.

yǒu rén rèn wéi hē jiǔ kě yǐ yù hán shū bù zhī jiǔ lì yī guò gèng jué de lěng

有人认为喝酒可以御寒，殊不知酒力一过，更觉得冷。

Some say that drinking can keep out the cold, but it will actually make one feel even colder once the effect has worn off.

wǒ yǐ wéi tā méi kǎo shàng dà xué shū bù zhī tā dōu yào dà xué bì yè le

我以为她没考上大学，殊不知她都要大学毕业了。

I thought she had failed in the college entrance exam. I never dreamed that she was about to graduate from college.

rén men shū bù zhī shí wù xuǎn zé zhèng què shì lì yú huī fù jiàn kāng de

人们殊不知食物选择正确是利于恢复健康的。

People are not aware that choosing right food can benefit and even speed healing.