In its simplest terms, 都 (dōu) means "all", but there are also many other advanced uses for it.

都 meaning "to the point that"

都 can also mean 甚至, meaning "even to the point that", and in this form it expresses emphasis.

Examples

Wǒ dōu nénɡ wén jiàn miàn bāo de xiānɡ wèi.
我都能闻见面包的香味。
I can even smell the aroma of bread.

都 meaning "since..., then..."

都 can also mean "既然...就", meaning "Since ..., in that case...“ A simple example would be 他都不说汉语，别跟他讲话, meaning "Since he does not speak Chinese, so don't talk with him."

Examples

Lái dōu lái le ， jiù xiān bié jí zhe zǒu le.
来都来了，就先别急着走了。
Since everyone got here, we need to go now.

都 can also have have a tone of complaint

It often has a tone of grumbling or complaint, and it is often used with 怨 or 怪.
GUAI

Examples

Dōu shì nǐ ， hài wǒ pǎo zhè me yuǎn.
都 是 你，害 我 跑 这么 远。
It's your fault for making me run so far.