impulse
US
UK impulse n: (sudden urge)
SC 冲动，心血来潮 chōng dòng，xīn xuè lái cháo
TC 衝動，心血來潮
TC 衝動，心血來潮
SC 冲动 chōng dòng
TC 衝動(生理)
TC 衝動(生理)
I have a sudden impulse to eat some ice cream.
impulse n: (electrical current)
SC 脉冲 mài chōng
TC 脈衝
TC 脈衝
The impulse activates the motor, which turns the wheel.
impulse buy n: (spur-of-the-moment purchase)
SC 冲动的购物（行为） chōng dòng de gòu wù （ xíng wéi ）
Candy bars are often placed near checkout registers because they tend to be impulse buys.
nerve impulse n: (signal transmitted by neuron)
SC 神经冲动 shén jīng chōng dòng
TC 神經衝動
TC 神經衝動
SC 神经脉冲 shén jīng chōng dòng，shén jīng mài chōng
on impulse adv: (instinctively)
SC 心血来潮 xīn xuè lái cháo
TC 心血來潮
TC 心血來潮
SC 一时冲动 xīn xuè lái cháo，yì shí chōng dòng
TC 一時衝動
TC 一時衝動
Don't make major purchases on impulse.
on impulse adv: (spontaneously)
SC 凭着性子 píng zhe xìng zi
TC 憑著性子
TC 憑著性子
SC 意气用事 píng zhe xìng zi，yì qì yòng shì
I bought three new pairs of shoes, just on impulse.
On impulse, he bought himself some chocolate.
sudden impulse n: (urge)
SC 冲动 chōng dòng
TC 衝動
TC 衝動
He was seized with a sudden impulse to run away.