tunnel; (mining) gallery; level; shaft; pit
to enter; to go into; to meddle (in); to interfere (in); to go deeply (into an issue); to delve deeper (into)
groundwater; underground water
safe; secure; certainly; surely; no thanks; I'm good
stocking up (in case of emergency); stockpile; reserves; storing; laying in (supplies)
place where one works; construction site; working area
sometimes; at intervals; occasionally; on occasion; from time to time
byway; bypath; byroad; loophole; way out (of trouble); excuse
how long; how far; how much
exclusive; attached to; specialist
almost; nearly; hardly; barely; large majority; large proportion
dragon (esp. a Chinese dragon); naga; semi-divine human-cobra chimera in Hindu and Buddhist mythology; promoted rook
scale (of fish, snake, etc.); serif (on kana or kanji (e.g. in Mincho font))
to let pass; to allow through; to transmit (e.g. light, sound, etc.); to conduct (electricity); to stick through (e.g. a hole); to force through (e.g. an opening); to connect (e.g. two places)
(one's) gaze; line of sight; point of view; standpoint; line covering someone's eyes (to obscure their identity); eye censor bar
comprehension; consent; understanding; OK; roger
shall ...; to assume; to suppose
mercy; compassion; clemency; rufous hawk-cuckoo; northern hawk-cuckoo
policy; course; plan (of action); magnetic needle
vanguard; advance-guard point; advance detachment; vanguard; pioneer; avant-garde
condition; assumption; intention; intent; premise
(exercising) the right to command
to entrust (a matter) to; to leave to; to abandon oneself to (e.g. pleasure); to yield to (e.g. anger); to devote oneself to
straight to the point; point-blank; frank; direct
knowledge; awareness; acceptance; consent; forgiving; pardoning
to say; to tell; to state; to do
crisis; critical situation; emergency; pinch
solidarity; banding together and working as one for a common cause
presentation (of a passport, ID, etc.); showing; production (e.g. of documents); presentation (of a plan, response, etc.); bringing up; citing (an example)
disapproval; reluctance; unwillingness
case; occasion; situation; circumstances
to give up as hopeless; to wash one's hands (of someone or something)
nursing; care; caregiving; caring
flexible; lithe; soft; calisthenics
idea; conception; way of thinking; approach; expression
benefit; use; good; profit; gains
able; capable; competent; talented; efficient
you; (arch.) your residence
to hand over; to transfer; to give up (e.g. one's seat); to give way; to yield; to concede