強める

1. Origins, structure, and basic meaning

• Structure: 強める is read つよめる and means making a force or degree stronger.
• Basic usage: It is used for turning up heat or speaking with greater vocal force.

2. Common pitfalls and similar expressions

• Compared with 強まる
  • 強まる describes a force or degree becoming stronger, while 強める describes someone making it stronger. In 火を強めた, the heat is what is being adjusted.
• Raising one's voice
  • 声を強める means giving the voice greater force. In this context, raising the voice should not be restricted to increasing its pitch.