difficult; tough; formidable; redoubtable; stubborn
root and branch; thoroughly; by the roots; completely; all
sound sleep; good sleep; quiet sleep
to sway to and fro; to drift about; to flutter; to be fickle; to be irresolute; to vacillate
unworthy; unbecoming; improper
to establish an emotional bond with; to reach out to; to relate to
back-facing; backwards; backward-looking; retrogressive; reactionary
taking over another's debt; shouldering someone else's burden; subrogation
dam; weir; barrier; sluice
(hard) candy; toffee; rice-sugar; sugar made from the starch of rice, potatoes, etc.; amber; yellowish-brown
good performance; good work; great success
scope; valid range; coverage
if one is unlucky; if one is careless; if things don't go well
excellent plan; best policy
to take measures; to work out a plan; to lecture; to read aloud; to confer
originally; by nature; from the start
conclusion; resolution; gathering and bundling; convergence; focusing (e.g. light); convergence
quick-tempered; having little patience; impatient
to turn away (one's eyes, face, etc.); to avert; to displease; to annoy; to miss (the target, ball, etc.)
useless; worthless; absurd; baloney
exactly; just; precisely; punctually; exactly on time
orbit; trajectory; railroad track; (right) track; proper course
whole area; surrounding area; all around; everywhere; all over the place
crater; caldera; burner (e.g. on a furnace)
sublimation; sublimating (an emotion, impulse, etc.); channelling; diverting
one's own way of thinking; one's independent approach
screw; key (of a clock, watch, etc.); spring (of a clock, watch, etc.)
to divide in two; to divide in half; to apportion; to divide among; to portion out
to knead well; to polish; to refine
small spiral-shelled snail; spiral shellfish
riding fast; driving a horse fast
sight (e.g. of a gun); aim; alignment
bombarding; shelling; bombardment