when it becomes; when it comes to
dark; gloomy; depressed; dispirited; dark (in colour); dull; ill-boding
doubt; question; uncertainty; skepticism; scepticism; suspicion
mark (for quick identification or recognition); sign; landmark; guide; (arch.) trademark
darkness; the dark; bewilderment; despair; hidden place; secrecy
light; illumination; glow; lamp; light
to light (a candle, lamp, etc.); to turn on (a light)
definitely; absolutely; absolute; unconditional; absoluteness
to erase; to delete; to turn off (power); to switch off; to extinguish; to put out
holiday; day off; sleep; rest; Good night
to teach; to instruct; to tell; to inform; to preach
substitute; replacement; stand-in; proxy; compensation; exchange
to scratch; to perspire; to shovel; to paddle
to begin to strike; to kick out; to forcefully expel; to hammer (pattern, etc.) into metal
to be careful; to pay attention; to take care
(stand to) attention!; standing at attention
hello (e.g. on phone); excuse me! (when calling out to someone)
as usual; as always; as before; as ever; still
small; fine; minute; minor; trivial; sensitive
safety; security; safely; without incident; good health; inaction
completion; conclusion; perfect (tense, form, aspect)
very interesting; of great interest
to take into one's possession; to receive; to take into one's care (e.g. person, pet); to take custody of; to leave; to go away
to have been decided (so) that; to have been arranged (so) that; to be the result (of); to be the outcome; to be the reason (for)
calculus (concretion of minerals formed inside the body)
what the?; what's that?; what are you doing?; what's going on?
so much; so often; oh, yes!; that's it; that's right; quite
as expected (positive events); as hoped for
reaction; response; reaction
happy; glad; pleased; joyful; delightful; gratifying
from now on; after this; in the future; from here; from this point
to examine; to look up; to investigate; to check up; to sense; to study
certain; sure; doubtless; I have no doubt; You can depend on it; It's a safe bet
ordinary; common; free of charge; unaffected; as is; only
field; farm; rural; agricultural; stray (e.g. dog, cat); unauthorised (esp. smartphone application)
soft (and fluffy) (e.g. bed, bread, baked potato); (arch.) absent-mindedly
to pass through; to pass by; to pass (of time); to elapse; to have expired; to have ended; to exceed
to sleep; to die; to rest (in peace); to lie idle (e.g. of resources); to lie unused; (arch.) to close one's eyes
ray of light; ray of hope; promising talent