许多

wǒ men xǔ duō nián méi jiàn miàn le

我们许多年没见面了。

We haven't seen each other for many years.

jú huā yǒu xǔ duō pǐn zhǒng

菊花有许多品种。

There are a lot of varieties of chrysanthemum.

tā jiǎng de nèi róng xǔ duō wǒ dōu bù zhī dào

他讲的内容，许多我都不知道。

Much of what he said was new to me.

tā hǎo xiàng lǎo le xǔ duō

她好像老了许多。

She seems to have aged a lot.

xǔ duō jīng yàn

许多经验

much experience

rě xǔ duō má fan

惹许多麻烦

make many troubles