to go
to go to (a place)
to cause to go or send (sb)
(when used either before or after a verb) to go in order to do sth
to be apart from in space or time
(after a verb of motion indicates movement away from the speaker)
(used after certain verbs to indicate detachment or separation)
(of a time or an event etc) just passed or elapsed
(n.) a day or one day; (slang) used as part of a prepositional phrase (一日都係) to blame someone (or something or 'a reason') for some negative things that have happened, all because of; owing to; thanks to (e.g. 一日都係你 means "It's all because of you" or "Thanks to you".)