初志貫徹

Excite翻訳: Original intention accomplishment
＠nifty翻訳: Original aim accomplishment
Babel Fish: Original intention accomplishment
Google翻訳: Fulfillment初志
Yahoo!翻訳: Original intention accomplishment
OCN翻訳: Original intention accomplishment
Windows Live Translator: Original intention accomplishment

Summary:
Excite, Babel Fish, Yahoo!, OCN, and Windows produce exactly the same expression.

Reverse Translation)
Excite翻訳: オリジナルの意志達成
＠nifty翻訳: オリジナルの目標完成
Babel Fish: 元の意思の業積
Google翻訳: 履行初志
Yahoo!翻訳: 最初の意図成果
OCN翻訳: オリジナルの意図成果
Windows Live Translator: 元の意図遂行

Summary:
So many expressions are produced from one expression.
Windows' is close to the original Japanese.