hat

1. Origins, structure, and basic meaning

• Structure: 帽 denotes a hat; its on-reading is ぼう.
• Basic usage: 帽子(ぼうし) means a hat or cap, while 脱帽(だつぼう) means taking off one's hat or admiration.

2. Common pitfalls and similar expressions

• Taking off a hat and expressing admiration
  • 帽子をかぶった means put on a hat. 脱帽した appears in the example about removing hats before bowing.
  • 努力には本当に脱帽する means to truly admire the effort. Here, 脱帽する expresses a high regard for someone's persistent effort.