口干舌燥的英文：
[Literal Meaning]
mouth/dry/tongue/dry
The lips are dry and the mouth is parched

[解释]
因为天气热或者说话很多而导致口干。

[Explanation]
to be thirsty or talk too much

[例子]
尽管他说得口干舌燥，李明还是不愿意改变主意。

[Example]
Although he talked till he got thirsty and tired, Li Ming still didn't want to change his mind.

He was so fagged out that his limbs were limp and his tongue and throat parched with thirst.
他已筋疲力尽，踉跄地走着。嘴里口干舌燥。

Feel parched with thirst
口干舌燥

After I have been lecturing for two hours, I get thirsty and tired.
我讲完两个小时的课后就会觉得口干舌燥，疲惫不堪。

He felt savage and thirsty and revengeful, annoyed with himself and with everyone else
他激愤，口干舌燥，渴望报仇，他恨自己，也恨一切人。