Definition: suddenly and without thinking first Level: C2
我倾向于冲动行事。
I tend to act ___on ___impulse.
她冲动地购买衣服。
She buys clothes ___on ___impulse.
他冲动地辞掉了工作，后来后悔了。
He quit his job ___on ___impulse, which he later regretted.
