捕风捉影的英语:chase the wind and clutch at shadows -- make groundless accusations; bark up the wrong tree; be a mare's-nest; beat the air; catch [clutch] at shadows; catching the wind and grasping at th...
捕风捉影的法语:attraper le vent et courir une ombre;agir(ou : tenir des propos)sur des signes douteux