2N-COUNT 脉冲 An impulse is a short electrical signal that is sent along a wire or nerve or through the air, usually as one of a series. 脉冲
3ADJ [ADJ n]一时兴起的;随兴的 An impulse buy or impulse purchase is something that you decide to buy when you see it, although you had not planned to buy it. 一时兴起的;随兴的
The curtains were an impulse buy.
窗帘是一时兴起买下的。
4PHRASE 凭冲动;一时兴起 If you do something on impulse, you suddenly decide to do it, without planning it. 凭冲动;一时兴起
Sean's a fast thinker, and he acts on impulse.
肖恩是个思维敏捷、行事随兴的人。
After lunch she decided on impulse to take a bath.
午饭后她突然兴起,决定洗个澡。
SYN impulsively, of your own accord, freely, voluntarily
Quotations
I am the very slave of circumstance And impulse - borne away with every breath!Lord ByronSardanapalus
To our strongest impulse, to the tyrant in us, not only our reason but also our conscience yieldsFriedrich NietzscheBeyond Good and Evil
Have no truck with first impulses for they are always generous onesCasimir, Comte de Montrond