To appear or arise unexpectedly or suddenly.
突然出现出其不意地突然出现或显现
To cause(light) to appear suddenly or in intermittent bursts.
突然出现使（光）突然出现或间歇闪耀
He suddenly appeared in front of us.
他突然出现在我们面前。
A difficulty has cropped up at work.
工作中突然出现困难。
He popped in for two minutes.
他在两分钟内突然出现。
Suddenly comes up a big shark.
突然出现了一条鲨鱼。
Two men suddenly appeared.
突然出现了两个男人。
The valley burst into view
山谷突然出现在眼前。
The dog suddenly appeared in the doorway
那条狗突然出现在门口
a cry sprang from her lips. a thought springs to mind.
她突然一声尖叫。一种想法突然出现在脑海里
The sudden appearance of a symptom such as coughing or sneezing.
突发如咳嗽或打喷嚏等病症的突然出现
He keeps bobbing up in the most unlikely places.
他总是在极不可能出现的地方突然出现.
I shouldn't be surprised if he cropped up this evening.
如果他今晚突然出现, 我并不感到惊讶。
Two thoughts had jumped into her mind.
她心里突然出现了两个念头。
Presently a slender young officer appeared.
这时突然出现了一个清瘦的青年军官。
The view burst upon our sight.
那景象突然出现在我们眼前。
A deliverer was raised up.
救星(突然)出现。
He just blew into town last night
昨夜他突然在城里出现。