吹き出す

1. Origins, structure, and basic meaning

• Structure: 吹き出す is read ふきだす and means gushing out or suddenly bursting into laughter.
• Basic usage: It describes water rushing from a pipe or laughter triggered by an unexpected remark.

2. Common pitfalls and similar expressions

• Subject and context
  • 水が吹き出す describes water emerging.
  • When a person 思わず吹き出す, the context may be involuntary laughter.
  • Do not interpret every use as wind blowing.
• Sudden laughter
  • 笑う broadly describes laughing; the laughter sense of 吹き出す emphasizes a sudden burst.