laboratory animal; experimental animal
treatment; service; handling (of a machine, tool, etc.); operation; treating as; treating like
... is the reason; ... is my excuse
index finger; forefinger; second toe
secret; secrecy; mystery; secret (e.g. to success); esoteric teachings
gesture; movement; action; acting; performance
anyway; by the way; incidentally; well; to change the subject
to choke; to be choked by; to be stifled by
manufacturing cost; production cost
(wet) cough; (sound of) coughing
to cough violently; to have a coughing fit
coolness; calmness; composure; all right; fine; OK
collecting; accumulating; collection (of art, stamps, insects, etc.); garbage collection; waste collection
to fit; to get into; to be fit for (a job, etc.); to be suited for; to fall into; to plunge into
materials; ingredients; material (for a novel, experiment, etc.); subject matter; grounds (for a decision, judgement, etc.); basis
most suitable; optimum; optimal; best
given that ... it is only natural that ...; ... being the case, it is unavoidable that ...; (precisely) because ...; contrary to expectations ...
(treasuring something by) never taking (it) off the premises
affinity; compatibility; chemistry (between people)
in case of; at that time; at this time
making; producing; appearance (attire, make-up, etc.); build; physique; sashimi
to take offense (at); to take offence (at); to feel hurt (by)
rough; wild; violent; immoderate; extravagant; reckless
direct; immediate; personal; firsthand
clearly; plainly; distinctly; to be clear; to be definite; to be certain
such; like that; in that way
(one's) identity; background; upbringing; (one's) character
incomplete understanding; doubt; question; distrust; suspicion; strangeness
to make matters worse; besides; what's more; in addition; on top of that
nature; natural; spontaneous; naturally; spontaneously
objection; refutation; rebuttal; counterargument
I'm afraid to say; I'm sorry to say; unfortunately
being too late; losing one's final chance
I would rather; I would as lief do; strong preference
true character; true heart; true spirit
to keep; to preserve; to hold; to last; to endure; to keep well (food)
considerably; greatly; a lot