speech · valve

1. Origins, structure, and basic meaning

• Structure: 弁 has 5 strokes and the on-reading べん. 弁当 (べんとう) and 弁解 (べんかい) share this reading, but their meanings need to be learned as whole words.
• Basic usage: 弁当 means a boxed lunch; 弁解 means an excuse or defense explaining one's mistake or failure.

2. Common pitfalls and similar expressions

• 弁当 and 弁解
  • 家族の弁当を作った means made boxed lunches for the family. 持ってきた弁当を広げる describes unpacking a lunch that someone brought.
  • 失敗の理由を並べて弁解した means that someone made excuses by listing reasons for a failure. 弁解の余地はなかった means there was no room for excuses.