isomorphism; same shape; same type; same pattern
slide (for projection); transparency; (microscope) slide; to slide; to slip; to shift (e.g. a group of items in a schedule)
operation (of machine); operating; running; working
to push (something) against
to stiffen; to become stiff
trigger (of a gun, etc.); trigger (for something); immediate cause
gradually; slowly but steadily
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.)
look (esp. an angry or upset look); expression
to shout; to cry; to scream; to clamor (for or against); to clamour (for or against)
percussion hammer; firing hammer; cocking piece
to go back to the start; to reset; to restore; to return to the point (of a discussion); to return something (that has been moved) to previous place; to reconstitute
to take in one's hand; to pick up; to obtain
uninterested; unconcerned; plain; light; flowing gently
mechanism; organization; organisation
to be packed (with); to be full (space, schedule, etc.); to be blocked (road, pipe, nose, etc.); to be clogged; to shorten (width, interval, etc.); to shrink (shirt, word form, etc.); to be at a loss
on the contrary; far from it; if anything; in fact; instead
disassembly; dismantling; factorization; decomposition; resolution; deblocking
parts; accessories; components
to assemble; to set up; to construct
excitement; stimulation; agitation; arousal
tedious; boring; being fed up with
performance; execution; skill; dexterity; tact
admiration; being impressed; admirable; praiseworthy; astonishment; being appalled
house; residence; family; household; lineage; family name
always; constantly; frequently; often; nonstop
overall summary; (e.g. news) roundup
examination; quiz; test; tryout; rehearsal (in filming)
collection; recovery; withdrawal; retrieval
in short; the point is; the important thing is; in a word; basically
to be taught; to learn; to take lessons in
going side-by-side; going abreast; running concurrently; occurring at the same time; keeping pace with
teacher's desk; teacher's lectern
live bullets; live ammunition; ball cartridge; money
simplicity; convenience; easiness; quasi-
schoolyard; playground; school grounds; campus
garden shrubs; trees; potted plant