He is a yea and nay man.

他是一个优柔寡断的人。

He was a yea and nay man not worth remembering.

他是个优柔寡断的人，不值得一提。

It's impossible to get anything down in yea and nay. 2, I often immerse myself in a feeling that everything is the shawdow of a shade.

在这世上犹豫不决成就不了任何事。 2，我时常沉入一种情绪中，感觉一切都是虚幻。