maintenance; preservation; improvement
wave; billow; ups and downs; (something) advancing step by step; (something) surging forward inopposably; tendency
to quicken one's pace (steps)
management; administration; operation; running (a business); conducting
recreational vehicle; RV; reactor vessel; reentry vehicle; Revised Version; RV
putting on the market; putting on sale; making commercially available; commercial; off-the-shelf; store-bought
car; vehicle; van; (train) car; carriage
strengthening; intensifying; reinforcement; reinforcement
passing through (of a tunnel, bullet, etc.); going (right) through; penetrating; (arch.) being well versed (in)
invisibly; secretly; privately
explosive; blasting powder
Western countries; (former) Western Bloc countries
familiar; well-known; regular (e.g. customer); old acquaintance; old friend; (a) regular
equality; equal; same rights; same rank; equivalence
destructive blast; blowing up; explosion
to jump into; to rush into
female high school student
rivalry (between two equally strong sides); struggle for supremacy; competing (with); vying (with); contending (with); being an equal match (for)
conclusion; decision; end; settlement
to be lucky; to be in luck; to be attached; to have; to be included
to untie; to unfasten; to unsew; to unstitch; to solve; to work out; to dispel (misunderstanding, etc.)
accent (of one's speech); dialect; provincialism; corrupted form (e.g. of word); mispronunciation
trigger (of a gun, etc.); trigger (for something); immediate cause
conventional phrase; stock phrase; cliché
preventing (someone) from leaving; confinement; keeping indoors; being stranded; grounding
subterranean rumbling; earth tremor
to bite; to chew; to gnaw; to fumble one's words (esp. during a play, broadcast, etc.); to falter with one's words; to crash against (e.g. of waves); to break onto (shore)
tunnel; to tunnel (through a potential barrier); letting a grounder go through one's legs
to bring in; to take in; to approach (someone) with (a proposal, offer, problem, etc.); to bring; to bring (to another stage); to take (e.g. to court, to extra time, to a play-off)
disposal; abandonment; scrapping; annulment; cancellation; abrogation
railroad; railway; rail transport
to burrow through; to dig through
counter for thin, flat objects (e.g. sheets of paper, plates, coins); counter for portions of gyōza or soba; counter for ranks; counter for wrestlers of a particular rank; counter for fields or rice paddies; counter for palanquin bearers
structure; construction; makeup; framework; organization; pattern