We fell for it hook, line, and sinker.

我们对它完全是一见倾心。

《柯林斯英汉双解大词典》

She falls for it hook line and sinker.

她完全陷入其中

youdao

Whether or not he knew that Easter was coming up shortly was unclear, but he had a well-attuned marketing sense, and we took the bait: hook, line and sinker.

我不清楚他知不知道复活节就快到了，反正他颇有商业头脑，结果我们就上钩了：咬钩，上线，沉底儿。

youdao

"Google has joined hook, line and sinker with the propaganda regime of Beijing, " Smith said.

FORBES: Magazine Article

You guys fall hook, line and sinker.

FORBES: Billionaire Mark Cuban To Give Charlie Sheen A TV Show?