on impulse

She bought the dress on impulse.

她一时冲动买了这件衣服.

Henry had made his decision to fire me on impulse.

亨利作出解雇我的决定是凭一时冲动行事.

He called the girl that he met only on impulse.

他一时冲动给那个与他仅有一面之缘的女孩打了电话.

After lunch she decided on impulse to take a bath.

午饭后她突然兴起，决定洗个澡。

To tell ( a joke ), especially on impulse or in an effective manner.

开玩笑尤指机智并有效地说 ( 笑话 )

Sean's a fast thinker, and he acts on impulse.

肖恩是个思维敏捷、行事随兴的人。

Many people act on impulse without counting the cost.

很多人不考虑后果就莽撞行事。

The outdoor air had apparently taken away from him all tendency to act on impulse.

野外的轻爽天气,显然让他头脑镇静,行动稳定了.

As the door swung closed behind him, I reacted on impulse.

门在他身后关上的时候, 我一时冲动作出了反应.

It wasn't the sort of thing you would purchase on impulse.

它不是那种你一时冲动就会购买的东西.

She wrote that letter on impulse.

她一时冲动写了这封信.

You enlisted Marilyn, Wu and you went to that hospital on impulse!

你招来了玛丽莲, 吴和你头脑冲动地跑去了医院!

On impulse, I picked up the phone and rang my sister in Australia.

我一时心血来潮, 拿起话筒就给在澳大利亚的妹妹打了个电话.

He is angry, and he acts on impulse.

他很愤怒, 并且他的行动有点冲动.

She often buys clothes on impulse.

她常常凭冲动购买衣服.