'How come?' 在英語(yǔ)口語(yǔ)中表示 '為什么' 或 '怎么會(huì)這樣'。它比 'why' 更加隨意和口語(yǔ)化，通常用在輕松、隨意的對(duì)話中。

'how come?' 用法簡(jiǎn)單直接，通常位于句首，后面接陳述句（不用倒裝結(jié)構(gòu)）。

1. 詢問(wèn)原因或理由

A: 'I can't go to the concert tonight.'

B: 'How come?'

A: '我今晚不能去聽(tīng)音樂(lè)會(huì)了.'

B: '為什么不能去?'

2. 表達(dá)驚訝或不解

A: 'He's moving to another city next week.'

B: 'How come? I thought he loved it here.'

A: '他下個(gè)星期就要搬去其他城市了。'

B: '怎么會(huì)這樣？我以為他喜歡這里。'

3. 對(duì)意外的事實(shí)表示困惑

A: 'She didn't get the promotion.'

B: 'How come? She was the most qualified.'

A: '她沒(méi)有晉升。'

B: '怎么回事？她明明最有資格。'

對(duì)話 1:

A: 'I'm not going to the picnic tomorrow.' 

B: 'How come? I thought you were excited about it!' 

A: 'Yeah, but I have too much work to do.'

A: “我明天不去野餐了?！?nbsp;

B: “怎么回事？我還以為你很期待呢！” 

A: “是啊，但是我有太多工作要做?！?/span>

對(duì)話 2:

A: 'My brother decided to drop out of college.' 

B: 'How come? He was doing so well.' 

A: 'He got a job offer he couldn't refuse.'

A: “我弟弟決定退學(xué)了?！?nbsp;

B: “為什么？他不是學(xué)得很好嗎?！?nbsp;

A: “他得到了一個(gè)無(wú)法拒絕的工作機(jī)會(huì)?！?/span>

對(duì)話 3:

A: 'Sarah didn't show up to the meeting today.' 

B: 'How come? She never misses a meeting.' 

A: 'She wasn't feeling well.'

A: “薩拉今天沒(méi)來(lái)參加會(huì)議。” 

B: “怎么回事？她從來(lái)不會(huì)錯(cuò)過(guò)會(huì)議?！?nbsp;

A: “她感覺(jué)不太舒服?！?/span>