一声长叹 meaning in English

heave a long sigh; draw a deep sigh; let out a long heavy sigh

The dim lights , gloomy grave and the mysterious coffin , all these historical debris make an age - old legend
浮生一梦， “黄肠题凑”厚葬的是对人生与人性的一声长叹。
Fernand closed his eyes , a burning sensation passed across his brow , and he was compelled to support himself by the table to prevent his falling from his chair ; but in spite of all his efforts , he could not refrain from uttering a deep groan , which , however , was lost amid the noisy felicitations of the company
弗尔南多闭上了双眼，一种火一样的感觉掠过了他的眉头，他不得不将身子伏在桌子上以免跌倒。他虽然努力克制着自己，但仍禁不住发出一声长叹，但是他的叹息声被嘈杂的祝贺声淹没了。