To his dismay, the moment he took it into his hands, the harp began to shout.

令他惊愕的是，他一把拿在手里，竖琴就开始叫起来。

Their summits are not safe places for scientific experiment on the principles of air-currents, as Knight had now found, to his dismay.

令奈特沮丧的是，他们的峰顶并不是进行气流原理科学实验的安全场所。

But to his dismay I angrily reacted in self defense and forced him out the screen door using a spare sword while calling him a pest.

但令他沮丧的是，我愤怒地以自我防卫回应，用一把备用（闲置的）剑将他逼出纱门外，称他是害人虫。