green about (或 around 或 at) the gills

to the gills【非正式用语】

N-COUNT

（鱼等的）鳃

n.

(鱼等的)鳃

菌褶

(人的)腮下肉

及耳

深谷,峡谷

Noun

1. a British imperial capacity unit (liquid or dry) equal to 5 fluid ounces or 142.066 cubic centimeters

2. a United States liquid unit equal to 4 fluid ounces

3. any of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus

4. respiratory organ of aquatic animals that breathe oxygen dissolved in water