The two organizations 'paired up' to educate the public about the threat of global warming.
I can't do everything at once—I've only got 'one pair of hands'. [=I am only one person]
To avoid competition, breeding/mating 'pairs' stay away from other male chimpanzees.
(..) Do not let the bloat king tempt you again to bed... Pinch wanton on your cheek, call you his mouse... Or let him for a pair of reechy kisses, or paddling in your neck with his damned fingers... ...force you to ravel all this matter out That I essentially am not in madness, but mad in craft (..)2015 Hamlet