他明显是生气了。用英语怎么说？

他明显是生气了。

He was plainly annoyed...

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。

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

plainly

adv. 明显地，清楚地，简单地，朴素地，平坦地；

例句
It is plainly cruel to keep turtles as pets.
显然，养海龟作宠物十分残忍。

annoyed

adj. 恼怒的，气恼的；v. 使烦恼，使恼怒，干扰，打扰(annoy的过去式和过去分词)；

例句
It annoyed me that I didn't have time to do more reading...
腾不出时间多看会儿书让我很烦。