突然出现

• burst into
• burst in
• break out in
• pop up
• pop
• start up
• crop up
• bob up
• drop from the skies
• burst into view
• jump out at
• burst into sight
• pop in
• break upon

例句

1. 他在聚会中突然出现，使她心烦意乱。
   She was agitated by his sudden appearance at the party.
2. 警察突然出现，小偷就逃跑了。
   The sudden appearance of a policeman caused the thief to run away.
3. 他总是在极不可能出现的地方突然出现。
   He keeps bobbing up in the most unlikely places.
4. 工作中突然出现困难。
   A difficulty has cropped up at work.
5. 由於发动机突然出现故障，飞行员不得不（在爱尔兰海上）紧急降落。
   A sudden engine failure forced the pilot to ditch (in the Irish Sea).