plainclothes police officer
not straightforward; not dealt with by ordinary means
to two-time; to play it both ways; to sit on the fence
seeing two people (i.e. romantically) at the same time; two-timing; bifurcation; fork; fence-sitting; playing it both ways
bubble; foam; froth; head on beer
trend; course of action; directionality; directivity; directional; vectorial
preconception; preconceived notion; prejudice
disclosure; exposure; revelation
old badger; veteran; oldtimer; schemer; old fox
touché; you've got me there
another time; some other time
slack; slackening; sagginess; dullness; letdown; depression
abstaining from smoking; quitting smoking; No Smoking!; Smoking Prohibited!
helper; assistant; second
humour; humor; safety; health; in a good mood; in high spirits
chairman; leader of a troupe; proprietor of a theatrical company
leading a meeting; presiding over a meeting; officiating at a ceremony; chairman; presenter; host
to warp; to curve; to arch; to bend backward (body or body part, e.g. fingers)
shoe; shoes; boots; footwear; footgear
locational advantage; advantageous position; products from the land (farm output, timber, minerals, etc.); land rent
seat; place; position; status; gathering; party; stand
chief seat; seat of honor; seat of honour; head of the table
to recommend (someone to do); to advise; to recommend (a book, someone for a position, etc.); to suggest; to offer (a drink, cigarette, seat, etc.)
empty seat; unoccupied seat; vacancy; vacant post
otherwise; or else; if not
present (e.g. government, administration); current; existing
drawing; painting; doodling; sketching
head (chief, director) of a section or department; head of a (school) club; head of a (school) team
silent (as the grave); deadly silent; deathly quiet
clerk; secretary; writing down; putting on record
indeed; really; absolutely; truly; actually; very
first; firstly; first of all; Introduction; Preface