on edge造句

My nerves were constantly on edge.
我的神经时刻处于紧绷状态。

Their voices set your teeth on edge.
他们的声音让你浑身不舒服。

This long wait for news of my son's whereabouts has set my nerves on edge.
我由于迟迟得不到关于儿子下落的消息而心烦意乱.