来自merry,欢乐的，-less,无，没有。

1. He was falsely jovial, with his booming, mirthless laugh.

他低声苦笑了几声，装出快乐的样子。

来自柯林斯例句

2. He permitted himself a small mirthless smile.

他挤出一丝苦笑。

来自柯林斯例句

3. His mouth corners curved in his highly individual, cold, almost mirthless smile.

他嘴角一抿, 露出极为独特的, 几乎是闷闷不乐的淡笑.

来自辞典例句

4. Hsinmei quickly added, " Of course, I've no experience, " and laughed a forced, mirthless laugh.

跟着一句又轻又快的话 —— “ 当然我并没有经验, ” 毫无幽默地强笑一声.

来自汉英文学 - 围城

5. His mirthless smile made all of us uncomfortable.

他生硬的笑使我们感到很不舒服.

来自互联网