hypothesis; supposition; assumption; tentative theory
to exchange; to swap; to barter; to replace; to substitute
to take someone's life; to kill someone
animal rights; animal welfare; animal protection
children's home; child care institution; orphanage
facility for the disabled; special needs home
drama; play; Chinese opera
attitude to life; form of existence; way of life
environmental problem; environmental issue
quiver; quaver; flutter; statistical fluctuation
life; existence; (one's) working life; career; life force; lifeblood
not yet known; unknown; strange
replacement; substitute; displacement; transposition; reset
tear gland; lacrimal gland
constitution (physical); physical make-up; predisposition (to disease); character (of a group, organization, etc.); innate characteristics; make-up
alcohol; alcoholic drink; alcohol; (alcohol-based) hand sanitizer
how; in what way; how (much); to what extent; however (much); no matter how
(fully) exposed; bare; uncovered; in full view; undisguised; broad (accent)
details; particulars; longitude and latitude; warp and weft; warp and woof
serious look (on one's face); straight face
pride (in one's achievements, possessions, etc.); self-praise; boast
producer; grower; maker; producer (in a food chain)
pus; corruption; rot; evils
numb; insensitive (e.g. to pain); apathetic; insensitive; indifferent
to snap one's fingers; to pop one's fingers; to crack one's knuckles
pleasant (of a sensation); comfortable; cheerful; happy; smooth (of function); working well
refreshingly; with a feeling of relief; shapely; neatly; cleanly; without trouble; clearly
untiringly; persistently; without losing interest
bad person; villain; scoundrel; wrongdoer; wicked person
good person; virtuous person; good-natured person; gullible person
statement; remark; observation; utterance; speech; proposal