“at first hand”造句，怎麼用at first hand造句

I had experience at first hand of the worst aspects of that banking system.

Each Divinity School student was "a newborn bard of the Holy Ghost", whom Emerson exhorted to "cast behind you all conformity, and acquaint men at first hand with Deity ".

So I decided to go and try and experience this new hologram technology at first hand.

But they may stand a better chance of doing so than this year's graduates, who must grapple at first hand with the practical implications of the macroeconomic theory they learnt in class.