そうは思わないを英語でなんと言うか？

格調の高い言い方にI beg to differがあります。0:23 Why Johnny Ringo, you look like somebody just walked over your grave. Fight's not with you, Holliday. I beg to differ, sir. 何をビビッているのかね？あんたとやるんじゃないよね。そうかも知れんぜ。

http://www.youtube.com/watch?v=l8_4LgskqgM 1:38 the one of his colleagues begged to differ. ある議員はテイラー議員の主張は然（さ）にあらずと証言した。

練習問題解答
a-1168 begging to differ
a-2461 begs to differ
a-4536 beg to differ
a-5790 beg to differ
a-6456 beg to disagree
a-7604 I beg to differ
b-1690 begs to differ.