地下鉄

1. Origins, structure, and basic meaning

• Structure: 地下鉄 is read as ちかてつ and means “subway”.
• Basic usage: It appears in commuting by subway and walking to a subway station on rainy days.

2. Common pitfalls and similar expressions

• 地下鉄で通う / 地下鉄の駅
  • Use 地下鉄で通う for the means of travel and 地下鉄の駅 to modify the station.