原文
"Do you suppose you'll be able to keep it up?"
"Making up my mind, you mean? I don't know, but Jo has given me a splendid rule. He says, when I'm perplexed, just to do what I would wish I had done when I shall be eighty. Anyhow, Jo can make up his mind quickly enough, and it would be uncomfortable to have too much mind in the same house."
語彙など
- keep up:維持する
- perplexed:当惑した
- mind:頭脳