all of a sudden 详细解释

all of a sudden

突然, 冷不防

突然地; 出乎意料地

All of a sudden the lights went out.

突然灯灭了。

英英释义

副词 all of a sudden:

without warning

同义词:all at once

happening unexpectedly

同义词:suddenly, of a sudden

补充

all of a suddenall of a sudden1.突然地, 突如其来地, 猛然地He was writing his essay when, all of a sudden, he was seized with giddiness.他正在写论文, 突然一阵头晕。I was sitting quietly reading when all of a sudden a stone came hurling through the window.我正安安静静地坐着看书, 突然从窗外飞来一块石头。

例句

1. all of a sudden she didn't look sleepy any more.她突然看起来一点都不困了。 2. "I was walking down the street when, all of a sudden, it started raining."我在街上行走时突然下起了雨。 3. "all of a sudden, I saw what he was looking at."我突然明白了他在看什么。