pointed; tapering; sharp, (of a sound) shrill; piercing, (of one's hearing, sight etc) sharp; acute; keen, to make (one's voice) shrill, sharp point; tip, the best of sth; the cream of the crop
right; correct, towards; at; for, concerning; regarding, to treat (sb a certain way), to face, (bound form) opposite; facing; matching, to match together; to adjust, to fit; to suit, to answer; to reply, to add; to pour in (a fluid), to check; to compare, classifier: couple; pair