when it comes to ...; where ... is concerned; if it's the case that ...; if it turns out that ...; if it's true that ...
to tighten; to stiffen; to brace; to strain
infiltration; sneaking in; going undercover
search (esp. in criminal investigations); investigation; inquiry; enquiry
medium; average; moderation; middle school; China; volume two (of three); during (a certain time when one did or is doing something)
contacting; (making) contact; connection (with a train, bus, etc.); joining (a railway line, etc.); connection (between matters, incidents, etc.); relation
soon; before long; shortly; close (by); near; nearby
seems to be; appears to have; supposed to be
details; particulars; detailed; specific; close-up view (of a digitally displayed map); zoomed-in view
to strengthen; to emphasize; to emphasise
had better ...; had better not ...
vague; ambiguous; shady; disreputable; fuzzy
to pass through; to pass by; to pass (of time); to elapse; to have expired; to have ended; to exceed
conclusion; decision; judgement; affirmative
continuation; continuance; going on; resuming
pinky swear; pinky promise; hooking each other's little fingers to confirm a promise
contract; compact; agreement
suspicious; dubious; doubtful; unsure; untrustworthy; unreliable; strange
arrest; apprehension; capture
(the) positive; yang (in Chinese divination); the open; visible place
to read; to recite (e.g. a sutra); to chant; to predict; to guess; to decipher; to count
plain; frank; candid; open; direct; straightforward
fabrication; forgery; falsehood; hoax
coincidence; chance; by chance; unexpectedly; contingency
hospital; clinic; doctor's office; doctor's surgery; infirmary
to sleep; to die; to rest (in peace); to lie idle (e.g. of resources); to lie unused; (arch.) to close one's eyes
(for something) to have occurred; to have done (something); (for something) to happen on occasion
easy; simple; there's no way that ...
to tag along; to follow; to tail; to leave tracks; to leave footprints
just (e.g. "just wait here"); come now; tolerably; passably; well...; I think...
to move; to stir; to operate; to run; to make a move; to take action; to be touched
to take a nap; to catch forty winks; to catch some Z's
at that time; in those days; at that moment; then
chase; pursuit; tracking; following up; tracing
start; commencement; beginning; initiation
harvest; crop; ingathering; fruits (of one's labors); gain; result
to visit (someone) in hospital