valid; proper; right; appropriate; reasonable
difference; variation; difference
gloss; luster; mellowness (of a voice); youthfulness (e.g. of skin); interest; appeal
attentive to detail; careful; considerate; meticulous; detailed
faint; dim; weak; poor; wretched; meagre
to have a certain mood or feeling; to have a hunch
sharp (blade, image, mind, etc.); sharp; number sign; hash sign; mechanical pencil
to house; to contain; to carry (a baby); to be pregnant; (arch.) to give lodging to; (arch.) to accommodate
deviation value (usu. scaled to mean of 50, standard deviation of 10, and often used for academic grades); deviation; T-score; standard score
deplorable; regrettable; disappointing; vexing; unfortunate
beyond one's means or position
date (with someone); (social) outing (for two); date night; date (day)
awkward (movements, speech, etc.); jerky; stiff; strained (relations); sour
stomach; Chinese "stomach" constellation (one of the 28 mansions)
being afraid of; being fearful; being timid; trembling; shivering
(villains) of the same stripe; birds of a feather; (lit.) badgers of the same hole
to be bewitched by a fox; to be confused
with a feeling of relief; with a sigh of relief; deeply (sigh)
altitude; height; elevation; high-degree; high-grade; advanced
tool; means; ingredients (added to soup, rice, etc.); counter for sets of armor, utensils, furniture, etc.
to handle (men); to master (a tool); to manage; to acquire a command of (a language)
half in doubt; half-convinced; dubious; incredulous
making practical; making useful; implementing
technology; engineering; technique; skill; art; craft
society; the world; the times
as many as one likes; as much as one likes; great many; plenty; almost (none); (not) much
(medical) treatment; care; therapy; cure; remedy
gyro; gyroscope; gyro; gyrocompass
effect; effectiveness; efficacy; effects (e.g. sound effects, visual effects, special effects)
state of mind; mentality; psychology
to exert (influence); to exercise; to cause (e.g. damage); to do (e.g. harm); to bring about (e.g. benefits); to extend
rectification; commutation
action; operation; effect; function
golden ratio (approx. 1.6180339887)
flight dynamics; aerodynamics; aeromechanics
unexplained; unsolved; unclear
to count on one's fingers
opportunity; chance; folding; fold; small food box (wooden or cardboard); folding in ... (two, three, etc.); counter for folded items
retailing; repeating (someone else's words, opinion, etc.); parroting; echoing
to put out one's tongue; to stick out one's tongue
establishing; proving; ascertaining; identifying; confirming
to pass through; to pass by; to pass (of time); to elapse; to have expired; to have ended; to exceed
riskiness; (level of) danger