POSITIVE
at best and at most
in the best view; in the most positive judgment; as the best one can say.I believe her to be totally negligent. Her actions were careless at best.At best we found their visit pleasantly short.The dinner was not at all pleasant. At best the food was not burned.At most she was careless, but not criminal.We found their visit pleasingly short at most.
by all means
certainly; yes; absolutely.I will attempt to get there by all means.BOB: Can you come to dinner tomorrow? JANE: By all means. I'd love to.
by all means of something
using every possible manner of something to do something.People will be arriving by all means of transportation.The surgeon performed the operation by all means of instruments.
keen on someone or something and keen about someone or something
to be enthusiastic about someone or something.I'm not too keen on going to Denver.Sally is fairly keen about getting a new job.Mary isn't keen on her new boss.