怕是

pà shì tā bù zhī dào

怕是他不知道。

I'm afraid he still doesn't know.

nǐ pà shì bù shū fu ba

你怕是不舒服吧？

You're feeling a bit unwell, aren't you?

tā liǎn sè fā bái pà shì yǒu bìng

他脸色发白，怕是有病。

I'm afraid he is ill for he looks pale.

pà shì chū le dà cuò

怕是出了大错。

I'm afraid there's been a dreadful mistake.