it seems; I think; I guess; right?; don't you agree?
daytime; during the day; time from sunrise until sunset; diurnal period
(for something) to have occurred; to have done (something); (for something) to happen on occasion
to interrupt; to obstruct (a view, someone's way, etc.); to block (light, wind, etc.); to intercept; to cut off
to lament; to grieve; to regret; to deplore
-ical; -ive; -like; -ish; (something) like; along the lines of
difficult to ...; hard to ...
early days; early years; early stages; initial stages; beginning
miscarriage; (spontaneous) abortion; abortive birth
easy; likely to ...; have a tendency to ...; easy to ...
probability; likelihood; chances
rate; ratio; comparatively; contrary to expectations
unclear; obscure; unknown; unidentified; ignorance; lack of wisdom
the old days; the past; former times; the past ten years; the past decade
safety; security; safely; without incident; good health; inaction
no matter how you look at it; no matter how you slice it; clearly; obviously; surely; without a doubt
declining birth rate; decline in the number of children; sub-replacement fertility
ecology; life and habits (of an animal); mode of life; way of living
one's own child; one's own children
to spend one's days in tears; to weep day and night; to live in sorrow
rare; uncommon; new; novel; fine; nice
wonderful; marvelous; strange; strangely enough; oddly enough; for some reason
sad; miserable; unhappy; sad; lamentable; deplorable
to get used to; to grow accustomed to; to become skilled in; to become experienced at; to become tame; to become domesticated
astonishment; amazement; surprise; fright; shock
anger; rage; fury; wrath; indignation
another world (esp. in fiction); otherworld; parallel universe; different-dimension world; isekai
environment; surroundings; circumstances
exchange (e.g. cultural); interchange; interaction; alternating current; AC
life; living; livelihood; (one's) living
common sense; good sense; common knowledge; general knowledge; common practice; accepted practice
doubt; question; suspicion; dubiousness
to live (on, by, etc.); to lead a life; to make a living; to earn a livelihood; to spend one's time (doing); to pass one's days (doing)
difficult to ...; hard to ...
there's no (other) way; cannot be helped; unavoidable; it's no use (doing); pointless; hopeless (person)
time; season; period; phase; stage
echo; echo; ultrasound (scan); Echo
ultrasonography; ultrasound
(distinction of) sex; gender