optimization; optimisation
specialization; specialty; speciality; expertise
versatility; multiplicity of use
to adopt (a method, proposal, etc.); to take (a 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)
country; territory; domain; realm
rational; reasonable; logical
fault; defect; flaw; failure (in an examination); failing grade
to be forced to do or experience something (against one's will); to be forced to do something because one has no other choice
reutilization; reapplication
model; (good) example; exemplar; paragon
(the) mainstream; main course (of a river); main stream
minority group (party); minority
reclamation (e.g. of wasteland); cultivation; development; pioneering; opening up (e.g. of a new market); breaking new ground
what is colloquially called; what is commonly referred to as; what is popularly known as; so-called
hit; success; guess; prediction; affability; friendliness; sensation
camera shake; picture blur; deviation; slight shifting
sometimes; occasionally; at times; seasonal; of the season; appropriate (for the season or occasion)
highest (e.g. floor); top; best; finest; supreme
thought; report on one's investigation into ...; deceased father
to boil up; to come to the boil; to arise; to break out; to get excited; to be in uproar
nervousness; oversensitivity
nearly; almost; on the verge (of happening)
(switched) off; off-season; offset; off-road; offline; offline get-together; offside
achievement; feat; meritorious deed; distinguished service
to draw (someone) close to one's breast; to pull close to one; to take into one's arms; to embrace
bottomless; unlimited; immeasurable; inexhaustible
to exchange (things); to convert (currency); to be in contrast (to); to contrast (with)
girl's feeling; maiden's mind
to disentangle; to untangle; to break up into pieces; to pick apart; to relieve; to ease
boorishness; coarseness; stupidity
to miss one's footing; to be off the right track; to be on the wrong path
to lock (a door, etc.); to lock up
rubbing cheeks together (as a display of affection); pressing cheeks together
fact-finding survey based on interviews; oral survey; interview survey
after all is said and done; no matter what people say; in the end; definitely; undeniably
fixed form; regular shape; standard-size mail
section (i.e. of text); sentence; phrase; verse (of 5 or 7 mora in Japanese poetry; of 4, 5, or 7 characters in Chinese poetry); haiku; first 17 morae of a renga, etc.; maxim
a second time; again; once more; twice
as soon as possible; ASAP
business trip; official trip
to use within an inch of its life; to use every little bit of; to get the most out of
accomplice; conspirator; cohort
sale; selling; selling point; gimmick; seller; vendor
to be pleasure to the eye; to delight the eye; to please the eye; to feast one's eyes on