sudden urge to act without thinking about the results
push or thrust; impetus
"profound religious impulses"
"he bought it on an impulse"
"they demonstrated the transmission of impulses from the cortex to the hypothalamus"
"the pulsations seemed to be coming from a star"
"the impulse knocked him over"
"the car's momentum carried it off the road"
Haldane has one overpowering impulse: he likes to be..behind the scenes at the seat of power.
出自： B. Webb