a matter for speculation; only conjecture; just guesswork
living thing; organism; creature; biology
zero; 0; nought; nothing; zilch
assumption; supposition; hypothesis
bowl; vessel; container; ability; capacity; calibre
depending on the circumstances; due to (with modifying verb)
or; either ... or; maybe; perhaps; some ... and others ...; sometimes ... and at other times ...
compensation; equivalent value; consideration
to call (someone) back; to recall; to call home; to bring back (memories, etc.); to recall; to revive
surgery; surgical procedure
keep up your strength; chin up!
how; in what way; I wonder
to see through; to see into (someone's heart, mind, etc.); to perceive; to find out; to detect
one cause; one reason; one factor
nervous temperament; worrier's disposition
to be taken aback; to be dumbfounded
true character; true form; true colors (colours); consciousness; one's senses
to steel oneself to; to brace oneself
to head home; to leave for home
to arrive at (e.g. a decision); to reach (a stage); to lead to (a place); to get to; in the extreme case of; (arch.) to come
animal abuse; animal cruelty; cruelty to animals; cruelty toward animals
to feel awkward; to feel ashamed; to feel inferior; to feel shy (about doing something)
cruelty; hard-heartedness
to keep company; to look after; to entertain; to play (a game) with
kindness; intimacy; friendship
or rather (say); or better (say); or perhaps I should say; or, how should I put it,...; I mean
mass meeting; convention; tournament; competition; grand event
winning a prize or place (in a contest)
insistence; (major) emphasis; stress
technical research institute
registration; accession; register; entry; record
seasoning; flavoring; flavouring; addition; inclusion; taking into account
conversion (e.g. yen to dollars); change; exchange; translation (numerical)
at a moment's notice; readily
to take on; to undertake; to take over; to inherit; to guarantee; to vouch for
sunset; sundown; end; close; year-end; end of the year
one class; one set; a pair; a suite; a series
handsome; shapely; clean-cut (features); decent; proper; correct