一笑置之: laugh out of court; carry off with a laugh; chuckle over [at] sth.; dismiss with a laugh [smile]; dispose of with a smile; laugh away; laugh off as a joke; pass the thing off with a laugh;
无端的指责可以一笑置之: a clear conscience laughs at false accusation
旁人的指责可以一笑置之: no.a clear consience laughs at false accusations
儿戏: trifling matter 短语和例子你可不能把这样重要的工作当儿戏。 you shouldn't regard such important work as a trifling matter
视为儿戏: it was just a trifle to sb.; treat a matter as a plaything
并非儿戏: of serious consequence; no laughing matter; no joke