dirty

dirty / untidy / mean, unfair / illegible

cinders, ashes / leftovers

shell

an egg

an ovum

an egg, including fish roe / the beginning or start of something (compare the uses of English terms kernel and seed) / a beginner or rookie at something

lip service; promising but empty talk / skillful completion of a task

a black-backed wagtail (Motacilla alba lugens)

pretty, beautiful