grants what has just been said and then reacts to how far things go beyond it: "even allowing for that", "even so". The first half is a reason that explains part of the situation; the second says it does not explain this much.
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I know he's busy, but even so, his reply is far too late.
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It's winter, so of course it's cold, but even so, today is freezing.
。、。
I'd heard it was popular. Even so, this queue is something else.
The second half is usually a reaction – surprise, admiration, annoyance – often with , or a sentence-final or .
それにしても or それでも
says that something happens despite an obstacle. それにしても comments on the size of something, given what you already knew.
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It's raining. Even so, I'm going out.
。、。
I'd heard it would rain. Even so, it's really coming down.
- × 雨が降っている。それにしても出かけます → 雨が降っている。それでも出かけます
At the start of a turn, with nothing granted first, それにしても picks up a thought that has been on your mind: "anyway", "you know". The remark is still an exclamation.
、。
Anyway, the ending of that film was a surprise, wasn't it?
。、。
We lost the game. But wow, that player was incredible.