to follow loyally; to wait on someone hand and foot; to be at someone's beck and call
puzzled; perplexed; quizzical; dubious; suspicious
grasping; gripping; handful; fistful; handle; grip; onigiri
characteristic (of); peculiar (to); inherent (in); eigen-
frequency (esp. of waveforms)
to say in other words; to put another way; to express in different words; to reword; to rephrase
core; core; hardcore; all-out
wave; billow; ups and downs; (something) advancing step by step; (something) surging forward inopposably; tendency
influence; effect; impact
to come together; to merge; to fit; to match; to be profitable; to be equitable
emission; release; radiation; release (of goods, a player from a team, etc.)
passenger (on a ship or aircraft)
to notify; to advise; to inform
early days; early years; early stages; initial stages; beginning
characteristic vibration; normal mode
agreement; accord; correspondence; union; unity; cooperation
pattern; behavioural pattern; behavioral pattern; predictability
soul; spirit; willpower; vitality; something as important as one's own life; something invaluable
signal; signalling; signaling; traffic light; traffic signal
nerve; nerves; sensitivity
until now; till now; up to now; up to the present; so far
general idea; concept; notion
to be connected (to); to be joined together; to connect (of a telephone call, the internet, etc.); to get through; to lead (to an outcome); to bring about (a result); to be lined up (e.g. of cars)
control board; control panel; console
to touch; to feel; to touch (with); to experience; to come in contact with; to touch on (a subject); to allude to
control column; yoke; joystick
oneself (itself, etc.); I; me; you; by oneself (itself, etc.); interjection expressing anger or chagrin
still more; even more; all the more; still less; even less
trick; plot device; mystery-fiction trope
oscillation; vibration; swing (e.g. of a pendulum)
wavy form; ripply shape; waveform
amplification; magnification; amplification; making larger
attenuation; damping; decay
irregularity; abnormality; change of tone; transposition; modulation