Bright as you are, you got to smarten up.

虽然你很聪明 但你得更机灵点。

I just think it needs to smarten up a little bit for me to actually make the switch full time.

我只是觉得我需要稍微聪明一点，才能真正彻底转换。

Sara, come on. Smarten up for once in your life.

， 这一生就这次聪明一点。

Now, look, will you stop having an existential crisis and smarten up?

听好了 不要再自怨自艾了 快打扮一下？

I suggest you all smarten yourselves up as much as you can while you are waiting.”

我建议你们在等候时，好好把自己整理一下，精神一些。”

" The Sorting Ceremony will take place in a few minutes in front of the rest of the school. I suggest you all smarten yourselves up as much as you can while you are waiting."

“过几分钟，分院仪式就要在全校师生面前举行。我建议你们在等候时，好好把自己整理一下，精神一些。”