impressed: impress的过去式,留下深刻印象
He's the one you're trying to impress, "handal notes."
韩铎强调道：“他才是你应该努力打动的人。
He really wanted to impress everyone.
实际上他很想给每个人都留下深刻印象。

have to: 不得不
You have to stay in the solution.
你必须坚持拿出对策解决问题。

switch: 转变
But will you want to make the switch?
但是，你是否想做这种转换呢？
But the switch may not be smooth.
但这种转换不会是一帆风顺的。