spontaneous generation; abiogenesis; natural occurrence; spontaneous occurrence
dropping out; falling behind; omission; being left out; falling off; coming off
middle part; medium depth (water); medium layer; medium-size; mid-level; medium-rise (building)
to lean against; to set against
to entertain; to make welcome
lump of meat; piece of flesh; human body
repetition; repeat; reiteration; repeatedly
feebleness; weakness; weak
unhurriedly; leisurely; slowly; relaxedly; taking one's time
at first; in the beginning; originally
calm before a storm; lull before the storm
a (short) time; a while; one time (in the past); a period; (arch.) two-hour period
course (of events); development; progress; market order; order without limit
everything working out as desired
particular; hard to please; fussy
appendix; postscript; retrofit; post-installation; giving a reason afterwards; making an excuse after the event
begging for one's life; pleading for one's life
to result in death; to lead to death; to be fatal (e.g. disease)
bothersome; tiresome; bother to do
omen; portent; sign; premonition; harbinger; precursor
to maintain (preserve) peace
left arm; left-handed (baseball pitcher)
spread; span; expanse; extent
collecting; accumulating; collection (of art, stamps, insects, etc.); garbage collection; waste collection
time; years; days; the Moon and the Sun
to sink deeply into one's mind; to come home to; to go to one's heart; to pierce one's body (e.g. of wind, cold, etc.)
dissatisfied-looking; looking discontented
to publish a book; to put out a book
to remember; to keep in mind
north and south; north to south; South Korea and North Korea
line symmetry; reflection symmetry; axial symmetry
to invest in; to sink money into; to put into; to lay out (funds); to inject; to impregnate
dark; dull; unsatisfactory; dissatisfying; unattractive; unappealing
to finish off; to ensure (something) is dead; to put an end to; to deliver the final blow; to be the best for A
it is to be regretted that ...; it is a pity that ...; it is unfortunately that ...