1.
even so; nevertheless; be that as it may
acknowledges a previous point while introducing a contrasting or surprising observation
それにしても遅すぎる。
Be that as it may, this is too late.
I understand you're busy, but even so, you could at least get in touch.
Usage
Used at the beginning of a sentence to acknowledge a previous point while expressing surprise, emphasis, or contrast about what follows. Often used conversationally.
Often carries a tone of mild surprise or emphasis on the following statement.
Position in sentence
Typically appears at the start of a clause or sentence.