circulatory system (blood, lymph, etc.)
uncharted territory; unknown waters; unfamiliar terrain
origin; source; beginning; starting point
to pile up; to accumulate
to bloom; to blossom; to become lively (esp. of conversation); to become animated; to experience a golden age
tide; tidal current; tendency; drift; trend
with my own (two) eyes; with these very eyes
to understand from experience
10^12; 1,000,000,000,000; trillion; sign; omen; indication
diligently; assiduously; industriously; beavering away
to deliver; to hand over; to transfer
heart; mind; bottom of one's heart; core (of one's character); centre; center; heart (organ)
ambition; aspiration; desire to improve oneself
consideration; thoughtfulness; sympathy; compassion; feeling; kindness
repentance; confession; penitence
idea; notion; sense (e.g. of duty); resignation; preparedness; observation and contemplation
to accrete; to become whole; to come together
(cross) section (e.g. in a drawing); cutting plane
clear; plain; distinct; obvious; evident; articulate
hectic; bewildering; bustling; dizzy
hollow; cavity; hole; cave
womb; uterus; parent body; base; basis
birth; giving birth; creating; bringing into the world
parent; parents; dealer (in cards, mahjong, etc.); banker; founder; inventor; (pet) owner
in good health; alive and well; going strong
at least; at most; (even) just
lack of filial piety; disobedience to one's parents
elevator; lift; elevator (aviation)
storey; story; stairs; stage (in chronostratigraphy); counter for storeys and floors of a building
hole; hole (in golf); (golf) cup; (electron) hole
to catch sight of; to come into view; to happen to see
ordinary; sensible; commonplace
sorrow; grief; anguish; trouble; affliction; anxiety
glossy (e.g. hair); sleek; shiny; lustrous
care; looking after; repair; (police) raid; crackdown
hoping against hope; desperately hoping; as a last hope
hand rim; handrim; push rim; pushrim
to go past; to pass; to pass by