optimization; optimisation
difficult to ...; hard to ...
depending on the circumstances; due to (with modifying verb)
breath; breathing; bracelet
tooth; teeth; tooth (of a comb, saw, etc.); cog; support (of a geta)
to rise; to swell; to intensify; to increase; to grow stronger; to get higher
if anything; conversely; putting it the other way around; coming at it from the opposite angle
to be full; to wax (e.g. moon); to rise (e.g. tide); to mature; to expire
in an instant; in a flash; right away; immediately
small mercy (from some misfortune); silver lining of a dark cloud; consolation in sadness; blessing in disguise
moment; brief space of time
to devour; to bite to death
furiously; passionately; indignantly
one's chance; the right time; target; objective
defenseless; defenceless; unprotected; vulnerable
to hit; to strike; to strike (noon, etc.); to sound (cymbals, etc.); to beat (rhythmically, e.g. pulse, waves, etc.); to move; to impress
durability; persistence; stamina; endurance; staying power
to be open (to traffic); to lead (to); to flow (of a liquid, current, etc.); to pass (through); to be conveyed (of an intention, meaning, etc.); to be understood (by); to be well versed (in)
overhead; above one's head; high in the sky
to slip into; to crawl into (under); to conceal oneself (under); to sneak into; to infiltrate
tip of nose; before one's eyes; under one's nose; tip (of something)
detonation by contact; contact detonation; touching off (something); triggering; sparking
striking a deal; coming to an agreement; making noodles by hand; making handmade noodles; manual input (on a computer, etc.); entering (text) by hand
smooth (of a surface); glassy; smooth (of an action, proceedings, etc.); fluent (speech); continuously differentiable
almost completely empty; virtually empty; inadequately defended; undefended; unguarded
somewhat strong; fairly strong; fairly firm
to be effective; to take effect; to work; to function well; to be possible (to do, use, etc.); to be able to
to harm; to cause harm to
reason; principle; general principle (as opposed to individual concrete phenomenon); the underlying principles of the cosmos (in neo-Confucianism)
wonderful; astounding; marvellous
to guide; to lead; to show the way; to derive; to deduce
to roar; to thunder; to become well known; to become famous; to pound (of one's heart); to throb
lever; agent (causing something to happen); instrument; assistant; helper
principle; theory; fundamental truth
less than ...; smaller ...
laborious; arduous; strenuous; painstaking; trying; taxing
vivid (memory, description, etc.); fresh; graphic; fresh (blood, scar, etc.); still new; recent
fantastic; grotesque; strange-looking; suspicious-looking
to be hard (to do); to be difficult; to require much effort; to be laborious; to be backbreaking; to have trouble (doing)
freedom of the person; personal freedom; personal liberty
self-destruction; ruining oneself; natural decay; perishing naturally
book; document; calligraphy (esp. Chinese); penmanship; handwriting; letter