But a lot of people swear by it.

但是很多人对此坚信不疑。

youdao

Still, many of my readers swear by it.

尽管如此，我的许多读者对它还是非常推崇。

youdao

I will admit that I'm not into yoga, but I know some people who swear by it.

我得承认，我对瑜伽不太感冒，但是我认识一些人对瑜伽极为推崇。

youdao

Fevicol since then has become synonymous with glue and Indian carpenters swear by it.

FORBES: Balvant Parekh, India's Fevicol Man, Dies

But parents who have successfully used allergy medicine to help children sleep swear by it, albeit in hushed tones.

BBC: Should parents drug babies on long flights?

Call this the grappa or ouzo variety: locals swear by it, outsiders balk at it, and too much can be fatal.

ECONOMIST: Charlemagne