classifier for birds and certain animals, one of a pair, some utensils, vessels etc
single
alone
one only
one of pair
month (in prison sentence)
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