"Li ne ludos morgaŭ."

Translation: He will not play tomorrow.

[RomajiAmulo]

... For he will be DEAD!

[Kdhy11]

Cuz the coach is gonna BENCH him!

[kaybekwa]

what is the -aŭ ending for?

[Luis_Domingos]

A list of words taking -aŭ and an explanation on its usage can be found here: http://en.wiktionary.org/wiki/-a%C5%AD

[Muzikisto]

Many adverbs happen to end in -aŭ but it is not an affix and does not necessarily have any meaning.