Translation of "Honestly" in Chinese

Honestly, I really like you.

说实在的，我真的喜欢你。

Will I answer her honestly?

我要向她坦白嗎？

Honestly, I also want to learn Japanese.

其實我也想學日語。

I may look strong, but I'm honestly not.

我看上去像是很有力气的人，可实际上并非如此。

I honestly don't think Tom and Mary care.

我真的认为汤姆和玛丽不在乎

It is a matter of principle with him to answer your questions honestly.

诚实地回答你的问题对他来说是个原则问题。