私たちは、暗くてボールが見えなくなるまで野球をやった。

we; us

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

dark; gloomy; dark (in colour); dull; depressed; dispirited; sorrowful; bitter (as in a dark past); unclear; unfamiliar; unknown

hall (dance, concert, etc.); hole; whole; dining area of a restaurant

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

to have an audience; to meet; to see; to face (an enemy); to confront; to serve (esp. as one's wife)

to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...

until (a time); till; to; up to; to (a place); as far as; to (an extent); up to; so far as; even; only; merely

baseball

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to do; to undertake; to perform; to play (a game); to study; to send; to dispatch; to despatch; to put; to move; to turn (one's head, glance, etc.); to give (esp. to someone of equal or lower status); to let have; to present; to bestow; to confer; to make (a vehicle) go faster; to run (a business); to keep; to be engaged in; to practice (law, medicine, etc.); to practise; to have (food, drink, etc.); to eat; to drink; to smoke; to hold (a performance); to perform; to show; to ease (one's mind); to harm; to injure; to kill; to have sex with; to live; to get by; to get along; to do ... completely; to do ... broadly; to do ... to a great distance; to do ... for (someone of equal or lower status); to do ... to (sometimes with negative nuance); to make active efforts to ...