to aggravate; to complicate; to make worse
to make (good) progress; to move right ahead (with the work); to advance
day by day; by the day; (arch.) daily; (arch.) every day
to handle; to manage; to deal with; to rear; to look after
middle; halfway; half (of); one half; half (e.g. done, jokingly); partly
briskly; quickly; promptly
permanent preservation; permanent repository; keeping something permanently; preservation in perpetuity
failed creative work; flop; dud; bomb
readjustment; realignment
to snuggle up to; to nuzzle; to burrow into; to press a part of one's body against something
to see (a doctor, etc.); to consult (someone)
to start work (on); to undertake; to start committing a crime; embarkation; launch
malignant (cancer); virulent; pernicious (anemia, anaemia)
health management; health maintenance; health care
research and development; R&D
urgent business; pressing need; imperative
weeping; sobbing; softly (crying); with a prolonged dull pain; having a griping pain
with intense concentration; eagerly; intently; devouringly
variation; rogue (something)
now rejoicing, now worrying; swinging from joy to sorrow; glad and sad by turns; alternating hope and fear; unable to put one's mind at ease
passing each other; missing (meeting) each other; failing to meet; (being at) cross purposes; discrepancy
somehow; for some reason or other
refined; graceful; modest; cultivated; elegant; reserved
looking pale; looking unwell
diagnosis; medical examination
palpitation (of the heart); pounding; throbbing; thumping
(sound of one's) heartbeat
preliminary step; first step
(practical) experience; personal experience; hands-on experience; first-hand experience
immature form (of an organism); young animal
variables; uncertain elements; uncertainties; imponderables
complementation; supplementation; completion
to shift something to; to move something into; to transfer; to transpose; to exchange; to displace
conformity; compatibility; adaptability; congruity; congruence
shortish; rather short; somewhat short
century; hundred years; (fig.) a long time