夢物語

1. Origins, structure, and basic meaning

• Structure: 夢物語 (ゆめものがたり) can mean an impractical pipe dream or an enchanting dreamlike tale.
• Basic usage: 夢物語で終わる judges an unfunded idea unrealistic; 夢物語に目を輝かせる presents children delighted by a flying-city fantasy.

2. Common pitfalls and similar expressions

• Unrealizable proposal and captivating fantasy tale
  • The first context carries a negative judgment of impracticality; the second values imaginative narrative. The two glosses should not be applied indiscriminately across them.