超特急

1. Origins, structure, and basic meaning

• Structure: 超特急 is read ちょうとっきゅう and refers to a super-express train or extremely high speed.
• Basic usage: In 依頼された資料を超特急で仕上げた。, the requested materials are completed extremely quickly.

2. Common pitfalls and similar expressions

• A train or figurative speed
  • 超特急列車 names a train, whereas 超特急で仕上げた figuratively means finishing work at great speed. Here で does not identify a train as the means of transport.