態勢

1. Origins, structure, and basic meaning

• Structure: 態勢 is read as たいせい and means “readiness” and “prepared posture”.
• Basic usage: It describes arranging extra guides for rain and a theater entering readiness to receive an audience.

2. Common pitfalls and similar expressions

• 態勢を整える / 態勢に入る
  • 態勢を整える means establishing readiness, while 態勢に入る marks entering that state.