upper reaches of a river; upstream
telephone call; phone call; telephone (device); phone
sometimes; at intervals; occasionally; on occasion; from time to time
at once; immediately; without delay; promptly
to resolve; to ready (oneself); to make up one's mind
main course (of a river); mainstream; main current (e.g. of thought)
firm; strong; solid; stable
loss; damage; harm; disadvantage; handicap; drawback
have to (do, be); must (do, be); is indispensable; is absolutely necessary
to put in; to let in; to admit; to accept; to accept; to comply; to include
without change; as is; just like; extremely similar; immediately; just after
mark; sign; symbol; emblem; badge; crest
to look after; to take care of; to be put in charge of; to be given responsibility for; to withhold (an announcement); to reserve (judgment)
postbox; mailbox; post; position; post (e.g. goalpost); post (on a blog, social media, etc.)
main hall; great hall; large hall; reception hall
to come along; to come around; to turn up; to arrive at the present; to get where one is; to have been doing something (for a period of time)
teacher; instructor; sensei; title or form of address for a teacher, master, doctor, lawyer, etc.; intimate or teasing form of address; (arch.) one's elder
above anything else; above all; more than anything; best; greatest; excellent
strange; weird; wonder; mystery; cleverness; adroitness
to have a feeling (that); to have a sensation (that)
first-class; first-rate; characteristic (of); peculiar (to); school (e.g. of flower arrangement); one flag
out-of-place; inappropriate; sticking out like a sore thumb; produced at an unorthodox location
feeling; sense; impression
to look out over; to survey (scene); to take an extensive view of
not only ... (but also); not just; as well as
United Kingdom; UK; Britain; England
et cetera; etc.; and the like; and so forth
countries all over the world; all the countries of the world
several; a few; number; quantity; counting; calculation; number
work; business; company; study
celebrity; personality; prominent figure
what; you-know-what; that thing; whatsit; whachamacallit; penis; (one's) thing
now (esp. in contrast to the past); now at last; at present; right now
self-confidence; confidence (in oneself)
hasty preparation; cramming; goods prepared in a hurry (after they were already needed); makeshift; half-baked
no more than; just; only; mere; goes no further than
steadily; unflaggingly; untiringly; knocking; tapping; clicking