who on earth; just exactly who; who the heck
riddle; puzzle; enigma; enigmatic; mysterious
action; conduct; behaviour; behavior; mobilization; mobilisation
whether or not (in phrases like "I don't know whether or not I can come")
assimilation; absorption; adaptation; assimilation; anabolism; assimilation (phonology)
direction; orientation; bearing; course (e.g. of action)
to surround; to encircle; to besiege; to lay siege to; to play (go, shogi, etc.)
degree (angle, temperature, scale, etc.); counter for occurrences; strength (of glasses); glasses prescription; alcohol content (percentage); alcohol by volume; extent
that way; that direction; that (one); that person; there; over there
rate; ratio; proportion; percentage
to adopt (method, proposal, etc.); to take (measure, course of action, etc.); to pick (e.g. flowers); to gather (e.g. mushrooms); to extract (e.g. juice); to take (e.g. a sample); to assume (an attitude)
direction; way; point of the compass; cardinal direction; method; means
practice; training; drill; (an) exercise; workout
where ... is concerned; when it becomes; if it becomes
empty lot; vacant plot of land
(a) step; one step; level; stage; small degree; small amount
cheerfully; buoyantly; happily; in high spirits
hmm; well ...; humph; roughly; harshly; violently
(not) at all; (not) in the least; (none) whatsoever
day after day; day by day
degree of difficulty; difficulty level
to draw (a thread); to let out (e.g. a rope); to head out as a group; to set out in large numbers; to send out one after another; to dispatch
root (of a plant); root (of a tooth, hair, etc.); center (of a pimple, etc.); root (of all evil, etc.); source; one's true nature
plan; project; schedule; scheme; program; programme
prior; beforehand; in advance; before the fact; ex ante
consent; approval; acceptance; agreement; compliance
ratio; proportion; match; equal; explicit comparison (style of the Shi Jing); Philippines
for two people's eyes to meet; catching someone's eye; making eye contact; meeting a person's gaze
towards (a destination); for the purpose of; with the goal of; targeting (a group, a demographic)
slovenly (appearance, work, etc.); sloppy; untidy; weak; feeble; weak-willed
lightly (floating, drifting, etc.); buoyantly; soft; fluffy; unsteadily; flightily
doubt; suspicion; misgivings; scruples
results; record; grades; marks
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series
numerical value; numerics; reading (on a meter, etc.)
to be inferior to; to be less good at; to fall behind
to be blessed with; to be rich in; to abound in
in contrast to (one's, its) appearance
greedy; avaricious; rapacious; insatiable