laughing g matter无关紧要的事
be no laughing matter需要严肃对待的事
No laughing matter非同小可;不是闹着玩的事
not a laughing matter不是开玩笑的事
seasick is no laughing matter晕船可不是闹着玩的
It is no laughing matter外国语学院李凤芬
but it's no laughing matter但它的并不是笑话
it's no laughing matter这可不好笑;你开什么玩笑