お先にどうぞ

I'm sure you'll have a great time.

I'm not sure if I can go.

Are you sure?

Make sure you turn off the lights when you leave.

Are you feeling OK?

I'm not felling well.

You don't look so good.

I have a cold.

I'm sorry to hear that.

You should get some rest.

体調不良に関しての英語はNYに行ったら
とても重要だと思うのでしっかり復習しようと思います。