因为我病了,所以我没去上班。
yīn wei wǒ bìng le, suǒ yǐ wǒ méi qù shàng bān。
I didn't go to work because I was ill.
我来中国学习,是因为对中国文化感兴趣。
wǒ lái zhōng guó xué xí, shì yīn wei duì zhōng guó wén huà gǎn xīng qù。
I came to study in China because I'm interested in Chinese culture.
我之所以没有告诉你,是怕你着急。
wǒ zhī suǒ yǐ méi yǒu gào sù nǐ, shì pà nǐ zhao jí。
I didn't tell you because I don't want to worry you.
怪不得好久没有见到你了,原来你回老家了。
guài bù dé hǎo jiǔ méi yǒu jiàn dào nǐ le, yuán lái nǐ huí lǎo jiā le。
No wonder I haven't seen you for a long time. You went back to your hometown.
我没有去,因为我太累了。
wǒ méi yǒu qù, yīn wei wǒ tai lèi le。
I didn't go there because I felt very tired.
由于天气的原因,活动取消了。
yóu yú tiān qì de yuán yīn, huó dòng qǔ xiāo le。
The movement was cancelled because of the bad weather.
我好几天没看电视了,因而不知道有什么新闻。
wǒ hǎo jǐ tiān méi kàn diàn shì le, yīn ér bù zhī dào yǒu shén me xīn wén。
I haven't watche TV for several days so I've no idea what is going on.
你汉语说得太好了,以至于我以为你是中国人。
nǐ hàn yǔ shuō dé tai hǎo le, yǐ zhì yú wǒ yǐ wéi nǐ shì zhōng guó rén。
Your Chinese is so good that I thought you must be a Chinese.