to attack; to go for; to come at; to pounce on; to jump on; to swoop down on
moment; instant; kshana; duration of a single mental event (about 1/75 second); shortest possible interval of time
direction of travel; direction of movement
to go to and from (a place); to go back and forth between; to go to (school, work, etc.); to attend; to circulate (e.g. blood, electricity); to be communicated (e.g. thought)
change; variation; variety; diversity; inflection; declension
to blink (one's eyes) repeatedly
to be suitable; to be appropriate; to match
activity; activity; (the) active
light-emitting diode; LED
in short; the point is; the important thing is; in a word; basically
passivity; passiveness; passivity; (the) passive
article; goods; fine thing; fellow; (arch.) prostitute; (arch.) price
to bend; to curve; to bend (the truth); to falsify; to corrupt; to sully
to face (each other); to be facing; to be directed toward (the future, etc.); to be in response to; to receive (a client, etc.); to compare with
perception; sensing; noticing
emission (of light); radiation (of light); luminescence
absolutely every little bit; everything from A to Z; systematically; thoroughly; one after another; successively
detection; sense (e.g. sensor)
having no choice but to ...; all one can do is ...; there's nothing to do except ...; having nothing but ...; there is only ...; having only ...
crack; crevice; fissure; chap; rift
to bury; to embed; to implant
old-fashioned; ancient-looking; time-worn
transforming oneself; taking on another form; disguising oneself; artificial fly (for fishing)
altitude; height; elevation; high-degree; high-grade; advanced
fort; stronghold; fortification
outside of one's area of expertise; outside one's field
speciality; specialty; special subject of study; sole interest; single focus; concentrating exclusively on
spy; agent provocateur; covert operative; maker; builder; constructor
to learn; to study; to take lessons in
deep knowledge; attainments; scholarship
seeing through (e.g. someone's lies); reading (e.g. thoughts); penetrating; detecting
for the first time; only after ... is it ...; only when ... do you ...; first time; (one's) first
to go to bed; to be sick in bed; to be laid up