cup of tea

all the tea in China

Something very valuable or priceless.

clock the tea

To discover the truth about something.

cup of joe

A cup of coffee.

let this cup pass from me

An appeal to God or another authority to take away one's present or future suffering.

price of tea in China

Something that is relevant or important, usually used to emphasize that another, compared thing is irrelevant, unimportant, or non sequitur, or that someone unaware of it is ignorant, etc.

Rosie

[Cockney slang]tea e.g. "Have a cup of Rosie"

via Rosie Lee

someone's cup of tea

An activity or domain in which someone is interested or skilled in; one's personal preference.

weak tea

Weak or feeble arguments, efforts, or proposals.