Yeah, he fell for it hook, line and sinker. Didn't doubt it for a minute.

嗯，他完全信了，一点都没有怀疑。

And the FBI has bought this hook, line, sinker, rod, reel and the boat they rode out in.

联邦调查局不疑有他照单全收。

The " sinker" is a weight that makes the hook go down into the water.

“沉子”是使鱼钩沉入水中的重物。

For example, " he fell for my excuse hook, line and sinker, " or, " she bought my story hook, line and sinker."

例如，“他完全地相信了我的借口”或者“她完全地相信了我的故事”。

Hook, line, and sinker. are good.

成功上钩 我们真行。

But in conversation, we don't use the expression " hook, line and sinker" when we are talking about catching a fish.

但在对话中，我们在谈论捕鱼时不使用“hook, line and sinker（完全地）”这个表达。

It just means that you don't have to swallow their arguments hook, line, and sinker.

这只是意味着你不必吞下他们的论点钩子、线和坠子。

DAN ENGBER: So there's sinkers in one hand and  then there are the watchers.

DAN ENGBER：所以，一只手上有坠球，然后是观察者。

We took the first deal they offered us and it was like hook, line, and sinker.

-我们接受了他们提供给我们的第一笔交易，就像钩子、线和坠子一样。

Comparatively little effort is spent in reaching the ocean's lower regions, because all objects have a tendency to become 'sinkers.' Follow my logic here.

到达海洋的下层，实际不用费很大的力量，因为凡物体都有下沉到底的倾向。请您听我的推论吧。