"double" は日本語にもなっている英語で、「2倍」、「二重」の意味しか知りませんが、"How To Win Friends and Influence People" に出てきた次ぎの "double" は別の意味であることは間違いありません。
"If you come at me with your fist doubled," said Woodrow Wilson, "I think I can promise you that mine will double as fast as yours; but if you come to me and say, 'Let us sit down and take consel together, and, if we differ from each other, understand why it is that we differ, just what the points at issue are,' we will presently find that we are not so far apart after all, that the points on which we differ are few and the points on which we agree are many, and that if we only have the patience and the candor and the desire to get together, we will get together.
早速辞書を見ます。
・Merriam-Webster's Online Dictionary: clench: doubled his fist
・Wiktionary: to clench: He doubled his fists.
そう言えば、 "double" には何かを折る(普通は二つに)意味もありましたね。
"If you come at me with your fist doubled," said Woodrow Wilson, "I think I can promise you that mine will double as fast as yours; but if you come to me and say, 'Let us sit down and take consel together, and, if we differ from each other, understand why it is that we differ, just what the points at issue are,' we will presently find that we are not so far apart after all, that the points on which we differ are few and the points on which we agree are many, and that if we only have the patience and the candor and the desire to get together, we will get together.
早速辞書を見ます。
・Merriam-Webster's Online Dictionary: clench: doubled his fist
・Wiktionary: to clench: He doubled his fists.
そう言えば、 "double" には何かを折る(普通は二つに)意味もありましたね。