I tell you this in all seriousness.

我是严肃地告诉你这件事的。

youdao

I tell you this in all seriousness.

我严肃地告诉你这事。

youdao

In all seriousness though, I'm curious about the reasoning behind this change.

尽管这应该是个严肃的问题，我还是很好奇这个改动背后的原因。

youdao

In all seriousness though, I'm curious about the reasoning behind this change.

尽管这应该是个严肃的问题，我还是很好奇这个改动背后的原因。

youdao