Feel peaky:
To feel slightly ill, unwell, or unwell, often with a pale or sickly appearance.
“Peaky” 的意思是 “憔悴的，有病的”，尤指一个人脸色苍白、病怏怏的样子。
我们通常在动词 “feel” 后加 “peaky”, 即 “to feel peaky”，不过我们也可以在 “to be” 后接 “peaky”。
例句
I didn’t go to work yesterday as I was feeling a bit peaky.
昨天我没去上班，因为我有点难受。
He is going to the doctor because he is feeling a bit peaky.
他要去看医生，因为他感觉有些不太舒服。
Liu looked a bit peaky when she left. Is she OK?
刘走的时候看起来有些憔悴。她还好吧？
