It's amazing you can speak such good English.

你的英语说得如此好，简直太棒了。

It's amazing you can speak such good English.

你的英语说得如此好，简直太棒了。

Thank you. You are flattering me.

谢谢。您真是过奖了。

You look spiffy in your new outfit.

你穿这套新衣看起来真帅。

You look spiffy in your new outfit.

你穿这套新衣看起来真帅。

It cost a fortune.

这可花了我不少钱。