green about the gills

Adjective

idiomatic

(idiomatic) Ill or unwell, especially as indicated by one's appearance.

Japanese Meaning

病気である、体調不良である / 顔色が悪く、健康状態が芳しくない

After the rough boat ride, Jenna looked green about the gills and sat down to rest.

激しい船の揺れの後、ジェナは顔色が悪くなって座って休んだ。

Sense（1）

(idiomatic) Ill or unwell, especially as indicated by one's appearance.

"You're looking rather green about the gills, old chap."

"I feel a little chippy to-day."

"That's the worst of these cheap champagnes."