The proof of the pudding is in the eating.

布丁的味道，吃了才知道。

youdao

These dishes look very tempting, but of course, the proof of the pudding is in the eating.

这些菜看上去令人馋涎欲滴，但布丁好不好，吃了才知道。

youdao

I've read the proposal and it looks promising, but the proof of the pudding is in the eating.

我已经看过你的提案，前景很好。但是布丁好不好吃了才知道，我还得看看你的提案有什么实效。

youdao

As with anything else, the proof of the pudding is in the eating.

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The proof of the pudding, as they say, is in the eating.

BBC: NEWS | Technology | UN net summit diary: Day three