◆ to (about) the extent that, (almost) enough that, so... that..., at least
時勢に遅れないように新聞くらいは読みなさい。
Read newspapers at least lest you should be left behind the times.
君らしくないかも知れないが、せめて礼儀くらい守ったらどうだ。
You could at least try to be a bit more polite, even though it's not like you.