release from mental strain, tension, or formality; "unbend the mind from absorbing too much information"
become less tense, rest, or take one''s ease; "He relaxed in the hot tub"; "Let''s all relax after a hard day''s work" 同义词:relax, loosen up, unwind, decompress, slow down,
make less taut; "relax the tension on the rope" 同义词:relax,
free from flexure; "unbend a bow"
unfasten, as a sail, from a spar or a stay
straighten up or out; make straight 同义词:straighten,