What does "spring up" mean?

To appear suddenly For problems or obstacles to emerge quickly and unexpectedly.

How do you use "spring up" in a sentence?

Obstacles keep springing up. New competitors sprang up overnight. Problems spring up when you least expect them.

Phrasal Verb BritishAmericanAustralian ★★★★☆ Common Neutral

Meaning: To appear suddenly

突然出现、涌现

Surgir repentinamente

（突然）現れる、発生する

(갑자기) 나타나다, 발생하다

For problems or obstacles to emerge quickly and unexpectedly.

问题或障碍迅速且意外地出现。

Cuando los problemas u obstáculos aparecen rápida e inesperadamente.

問題や障害が急速かつ予期せず現れること。

문제나 장애물이 빠르고 예기치 않게 나타나다.

Base verb: spring

Particle: up

Separable: No — the verb and particle stay together

Obstacles keep springing up.
障碍不断涌现
Siguen surgiendo obstáculos
障害が次々と現れ続けている
장애물이 계속 나타나고 있다.
New competitors sprang up overnight.
新的竞争对手一夜之间冒出来
Surgieron nuevos competidores de la noche a la mañana
新しい競合他社が一夜にして現れた
새로운 경쟁사들이 하룻밤 사이에 나타났다.
Problems spring up when you least expect them.
问题总是在你最意想不到的时候出现
Los problemas surgen cuando menos os lo esperáis
問題は思いがけないときに発生する
문제는 예상치 못할 때 발생한다.

Context: sudden, emergence, rapid

Tone: surprised

From springs or plants springing up quickly.

Era: Modern

Generation: All ages

Social background: Universal