He laughed dryly as I tried to make sense of his ramblings.是什么意思？

He laughed dryly as I tried to make sense of his ramblings.

我尽量去揣摩他那漫无头绪的话意,而他却干笑着.

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

laughed

v. 笑( laugh的过去式和过去分词 )，发笑，嘲笑，（特别表示因成功而）处于有利地位；

例句
The audience laughed and applauded...
观众边笑边鼓掌。

dryly

adv. 干燥地，枯燥地，冷冰冰地，干巴巴地；

例句
Jou - Chia laughed dryly and said, " Oh, so that's it!
柔嘉干笑道: “ 哦, 原来是这个道理!

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

tried

adj. 可靠地，经过考验的；v. 试图，努力( try的过去式和过去分词)，考验，磨炼，审讯；

例句
He was tried in absentia and sentenced to seven years in prison.
他被缺席判处七年监禁。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

make

vt. 做，制造，生产，制定，使成为，使产生；vi. 开始，尝试，行进，增大；n. 制造，生产量，性格，形状，样式；

例句
I can't abide people who can't make up their minds...
我受不了优柔寡断的人。

sense

n. 感觉，官能，意识，观念，理性，识别力；vt. 感到，理解，领会，检测出；

例句
The accusing look in her eyes conveyed her sense of betrayal.
她责备的眼神中流露出一种被骗的神情。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

ramblings

n. （毫无意义的）漫谈，胡扯；

例句
The official dismissed the speech as the ramblings of a desperate lunatic.
那位官员将演说斥为一个疯子绝望之中的胡说八道而不予理会。