investigation; examination; inquiry; enquiry; survey
to advance; to go forward; to precede; to go ahead (of); to make progress; to improve; to deepen
is that so? (generally rhetorical)
if; in case; as for; on the topic of; if that's the case; if so
to understand; to comprehend; to become clear; to be known; I know!; I think so too!
request; commission; entrusting (with a matter); dependence; reliance
senior (at work or school); superior; elder; older graduate; progenitor; old-timer
going home from work; on the way home from work
to collect oneself; to cool off; to recover oneself
trough; gutter; water pipe; coulisse (of a sword blade)
mouth; opening; hole; mouth (of a bottle); spout; gate; door
thank you for your hard work; good work; see you; goodbye; goodnight
honorific/polite/humble prefix; honorific suffix
until (a time); till; to (a place or person); as far as; to (an extent); up to
to send (a thing); to dispatch; to take or escort (a person somewhere); to see off (a person); to bid farewell (to the departed); to bury; to spend (time)
terrible; dreadful; amazing (e.g. of strength); great (e.g. of skills); to a great extent; vast (in numbers)
nonchalant; unconcerned; in a casual manner
perhaps; possibly; maybe; if; in case; in the event that
tea; tea plant (Camellia sinensis); tea preparation; making tea; brown; (arch.) mockery
to drink; to gulp; to smoke (tobacco); to engulf; to overwhelm; to keep down; to suppress
and the like; such as; or something; something like; I hear that ...; people say that...
to raise; to elevate; to do up (one's hair); to fly (a kite, etc.); to launch (fireworks, etc.); to land (a boat); to show someone (into a room)
to receive; to take; to get somebody to do something; to have in one's pocket (a fight, match); to contract (a disease); to catch
a long time (since the last time); first in a long time
to return; to come home; to leave; to get home; to get to home plate
female; woman; female sex; female lover; girlfriend; mistress
(secret) date; clandestine meeting; assignation; tryst; rendezvous
together; jointly; at the same time; with; both
no; nay; well; er; you're welcome; not at all
definitely; absolutely; absolute; unconditional; absoluteness
circumstances; conditions; situation; reasons; state of affairs
in that way; thus; so; so?
plot; intrigue; scheme; conspiracy; agreement between two or more people to commit an unlawful act
opponent; rival; adversary; menace; danger; threat
organization; organisation; structure; construction; system (e.g. railroad, transport, party, etc.); tissue; texture (of a rock)
infiltration; sneaking in; going undercover
police investigator; investigator
where; which; anyway; anyhow; sooner or later; eventually
true character; true form; true colors (colours); consciousness; one's senses
to disclose; to divulge; to expose; to open (a grave); to dig out
absolutely; positively; decidedly
personal; individual; private
duty; function; office; mission; task
sure; certain; reliable; trustworthy; If I'm not mistaken; If I remember correctly