to be useful; to be helpful; to serve the purpose
and; and then; thus; and now; and finally
article to be delivered; present
sound of footsteps; sense or sign that something is approaching
to chase; to run after; to pursue
to discover; to find (e.g. an error in a book); to locate; to find (e.g. something missing); to be used to seeing; to be familiar with
hmm; well ...; humph; roughly; harshly; violently
at that time; at that moment; then; on that occasion
to notice; to recognize; to recognise; to become aware of; to perceive; to realize
extent; degree; limit; bounds; (span of) time; (a) distance; the state of
in front (of); before (e.g. a building); before; earlier; (the) front; frontal part; forward
child; kid; (one's) child; offspring; young (animal); young woman; offshoot
after all; because; but; even; too; as well
that child; that kid; that boy; (arch.) you
certain; sure; doubtless; I have no doubt; You can depend on it; It's a safe bet
anything and everything; just about everything
to meet (by chance); to come across; to meet (e.g. of rivers, highways, etc.); to emerge and engage (an enemy)
day; days; sun; sunshine; (the) day; daytime; date
to begin; to start; to happen (again); to begin (anew); to date (from); to originate (in)
a little; a bit; just a minute; for a moment; somewhat; rather; (not) easily
to wait; to await; to look forward to; to depend on; to need
reasoning; inference; deduction; mystery or detective genre
leaping; activity; leapfrog (over a problem); making a leap (e.g. in logic); making great strides; making rapid progress
to pass through; to pass by; to pass (of time); to elapse; to have expired; to have ended; to exceed
to go; to move (in a direction or towards a specific location); to proceed; to take place; to pass through; to come and go; to walk
such (about the actions of the listener, or about ideas expressed or understood by the listener); like that; that sort of
detective; investigator; sleuth; detective work; secret investigation
imitating; copying; mimicry; behavior; behaviour; action
to be able (in a position) to do; to be up to the task; to be ready; to be completed; to be made; to be built; to be good at
indicates a question; or; whether or not; some- (e.g. something, someone); hmm; huh; very
to search for; to look for; to hunt for; to search (a house, pocket, etc.); to search through; to rummage in (e.g. a drawer)
to ascertain; to check; to make sure
to meet; to encounter; to see; to have an accident; to have a bad experience
tip-off (to the authorities); information (on); anonymous report
coincidence; chance; by chance; unexpectedly; contingency
to be piled up; to lie on top of one another; to come one after another; to happen over and over; to overlap (each other); to occur at the same time
isn't it?; let's ...; why don't we ...; how about we ...
automatic lock; automatic door-locking system
and; besides; because; since; the thing is; for one thing
to enter; to go into; to break into; to join; to enroll; to contain; to hold
easy; simple; there's no way that ...
to feel; to sense; to experience
to become serious; to take something seriously (joke, teasing); to become irritated or angry (usu. at something trivial); to get worked up