professor; teaching; instruction
that well-known ...; the one and only ...; that; those; the
to chip; to be chipped; to be missing (from a set, team, etc.); to be absent; to be lacking (in); to be short (of)
pessimism; (taking a) gloomy view; discouragement; despondency; despair; disappointment
bottom; sole; depths (e.g. of despair, the sea); bottom (of one's heart); limit; end
ring; circle; hoop; wheel; circle (e.g. of friends); planetary ring
to ask; to enquire; to query
eager; earnest; ardent; OFF (on switch)
notes; remarks (reference) column
supervision; control; superintendence; director; superintendent; supervisor