to doubt; to think (something is) doubtful; to wonder; to be suspicious
investigation; examination; inquiry; enquiry; survey
to operate (e.g. a machine); to handle; to have a good command of (a language); to play proficiently (of a musical instrument); to work (a puppet); to pull the strings of a puppet
to be handed down; to be introduced; to be transmitted; to be circulated; to go along; to walk along
angel's raiment; robe of feathers; wings of birds or insects; plumage of birds; type of bug
according to; reads; reading; is written; says; states
possibly; apparently; (seem) likely; somehow or other; with difficulty; barely
not yet known; unknown; strange
aviation; flight; flying; to fly; to take a flight
machine; mechanism; instrument; appliance; apparatus
old friend; old acquaintance
relationship; relation; terms (good, friendly, etc.)
unmarried woman; Miss; -ess; -ette
boy; juvenile; young boy; youth; lad
to blow away; to blow off; to dispel; to drive away; to talk big
relation; connection; relevance
suggestion; hint; implication
to fly; to soar; to jump; to leap; to spatter; to scatter; to hurry
something like ...; something called ...
direct; immediate; personal; firsthand
good; excellent; sufficient; enough; profitable (deal, business offer, etc.); beneficial
whether or not (in phrases like "I don't know whether or not I can come")
to lose one's way; to get lost; to waver; to hesitate; to give into temptation; to lose control of oneself
form; shape; figure; visage
to tie; to fasten; to wear (necktie, belt); to put on; to total; to sum; to be strict with
to bring; to take; to bring about
to appear; to come in sight; to become visible; to be expressed (e.g. emotions); to become apparent (e.g. trends, effects)
to become fraught with emotion
small; little; slight; below average (in degree, amount, etc.); low (e.g. sound); soft (e.g. voice)
one (esp. of two); the other; on the one hand; on the other hand; whereas; although
to grow hot (e.g. water); to boil; to get excited (at); to erupt (in applause, cheering, etc.); to ferment; to melt (of metal)
(not) particularly; (not) especially; (not) specially; separately; apart; additionally
everyday; daily; ordinary; usual; routine; regular
on the occasion of; circumstances; juncture
head; chief; merit; strong point; superiority; major
Mr; Mrs; clan; he; him; counter for people
to collect (debts); to dun; to appoint; to promote; to emphasize; to focus on
special; particular; extraordinary; exceptional; especial
to study (in depth); to learn; to take lessons in
hut; house; boarding house; school dormitory; (arch.) one day's march (approx. 12.2 km)