to shut oneself in (e.g. one's room); to be confined in; to be filled with (emotion, enthusiasm, etc.); to fill the room (of a gas, smell, etc.); to be heavy with (e.g. smoke); to be muffled (e.g. voice); to hold (a castle, fortress, etc.)
feather; plume; wing; blade (of a fan, propeller, etc.); shuttlecock (in badminton); shuttlecock (in hanetsuki); arrow feathers
edition; version; plate; block; editions of a publication
sounds good; sure thing; no problem
usually; ordinarily; always; continuous; 24-hour (operation, care, etc.); constant
every day; daily; day after day; days (e.g. good old days)
I wonder; do you think?; I might; some kind; some stage; somehow
research; investigation; enquiry; inquiry; study
to grapple with; to wrestle with; to engage in a bout; to tackle (e.g. a problem); to come to grips with; to work hard on
extent; scope; sphere; range; span
operation (of machine); operating; running; working
least; lowest; worst; awful; horrible; at the very least
the number of people; many people; a large number of people; (counted as an) adult
to leave (behind); to leave (undone); to not finish; to save; to set aside; to leave (to someone, esp. after one's death)
to receive; to take; to get somebody to do something; to have in one's pocket (a fight, match); to contract (a disease); to catch
whole year; all year round; always; all the time; during an era; middle class (of a nursery school, etc.)
all day long; all the day; throughout the day
which way; which direction; which one (esp. of two alternatives); who
long-awaited; long-waited-for; someone who has waited a long time; something that one has waited impatiently for
entry (on stage); appearance (on screen); entrance; introduction (into a market)
to peek (through a keyhole, gap, etc.); to look down into (a ravine, etc.); to peek into (a shop, bookstore, etc.); to sneak a look at; to take a quick look at; to peep (through a telescope, microscope, etc.); to stick out (a scarf from a collar, etc.)
yen (Japanese monetary unit); circle
form; shape; state; condition; letter; correspondence
exit; gateway; way out; outlet; vent; leak
men and women; man and woman; both sexes; both genders
to remove; to eliminate; to eradicate; to exclude; to except
busy; hectic; frantic; restless; hurried; fidgety
centre; center; middle; capital; seat of government
to pretend not to see; to turn one's back on
width; breadth; freedom (e.g. of thought); latitude; gap; difference (e.g. in price)
brilliance; polish; lustre; luster; glossy finish (of photographs)
to wear (sword, decoration, etc.); to carry; to be entrusted (e.g. with a mission); to take on; to have a trace of; to be tinged with
iron (Fe); strong and hard (as iron); railway; railway enthusiast
to make a mistake (in); to commit an error (e.g. in calculation); to confuse; to mistake something for something else
general; universal; ordinary; average; (arch.) the same; (arch.) no different
follow; following (on social media, esp. Twitter); follow-up; following up; backing-up; covering for; follow-up shot
up through; up until; down to; from ... to ... (e.g. from head to toe); everything from ... to ...