大家在查： be verb beach plant beach rock Beacon Hill beam intensity be spoiled by mildew be silvery white be of one heart and one mind be obedient to be joined

be unable to stifle a laugh

... 哑然[ silence reighs] 哑然[ be unable to stifle a laugh] 哑然失笑[ be unable to stifle a laugh;can't help laughing] ...