side effect; adverse reaction
optical illusion; hallucination; misapprehension; delusion
on a routine basis; regularly; habitually
how; in what way; by what means
wise; sagacious; intelligent; sensible
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
choppy sea; chopping waves; triangle wave
seeing for the first time; first sight; first meeting; sight-reading
point of uncertainty; unclarified issue; doubt
to be called ...; to be referred to as ...
repetition; repeat; reiteration; repeatedly
silver; senior citizen; pensioner
riddle; puzzle; enigma; enigmatic; mysterious
genius; prodigy; natural gift
suddenly; in a flash; rapidly; attractive; distinguished; showy
by the way; incidentally; sometimes; occasionally; precisely (at that time); exactly
exclusive; attached to; specialist
loop; band; loop (programming); loop (railway line); time loop; temporal loop
cast (play, film, etc.); cast (e.g. type conversion)
each (every) time; whenever
elimination; erasure; clearing; elimination (of variables)
each time it happens; at all such times
copying; duplication; reproduction; copy
to add (one thing to another); to add (a few more words, an explanation, etc.)
to cross (legs or arms); to link (arms); to put together; to construct; to braid; to plait; to grapple