高熱

1. Origins, structure, and basic meaning

• Structure: 高熱 is a noun read こうねつ, covering both a high fever in a person and intense heat in a machine or object.
• Basic usage: Use 高熱が出る for developing a fever and 高熱を帯びる for a machine taking on intense heat.
  • 高熱が出たので、予定を取りやめて休んだ。 describes canceling plans and resting because of a high fever; 機械が高熱を帯びたため電源を切った。 describes switching off a machine because it became extremely hot.

2. Common pitfalls and similar expressions

• 高熱が出る
  • が marks the high fever that develops.
• 高熱を帯びる
  • を帯びる describes the machine as taking on intense heat.
• ので and ため
  • Both link a reason to the following action; here they explain resting and switching off the power.