放声大笑

Commend me to a good laugh,——not to a little snickering laugh, but to one that will sound right through the house.

我所提倡的是会心的欢笑——不是私下里窃笑，而是那种放声的大笑。

And since we didn't have to put on a false front we could laugh about the incident to our heart's content.

由于无须摆出假惺惺的姿态，所以我们可以纵情为这件事放声大笑。

A marvellous voice, one may say! She hummed her favourite musical phrase from an opera of Cherubini, flung herself into bed, laughed with delight at the thought that she would soon be asleep, called to Dunyasha to blow out the candle; and before Dunyasha had left her room she had already passed into another still happier world of dreams, where everything was as easy and as beautiful as in reality, and was only better because it was all different.

她唱了她所喜爱的凯鲁比尼歌剧中的短短的乐句，就急忙扑到床上去，当她愉快地想到她马上就会酣然入睡时，她便放声大笑，她喊杜尼亚莎吹熄蜡烛，杜尼亚莎还没有从房里去出来，她就进入了另一个更幸福的梦幻世界，那里的一切同现实一样美好，令人感到轻松愉快，只不过在那个世界另有一番景况，因而就显得更为美妙。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。