be green—
1. be inexperienced:
- During his speech, Obama praised Bennet while acknowledging he is a bit green in politics….
2. be environmentally friendly:
- These are also made with other recycled materials, so yes, they are very green in terms of helping the environment.
be green around the gills —(coll.)
1. look indisposed or unwell:
- She was green around the gills for several days. I also had a similar experience about five years ago….
2. look as though one is about to be sick:
- The poor guy gets motion sickness and is green around the gills as soon as they take off.