のを知っていますか => Do you know...? N4
せられたい => Please..., Let me... N3
Order
させてください/させてもらえますか/させてもらえませんか => please let me do N3
かも[知「し」]れない => Might A, maybe A, perhaps A N3
Sentence Endings
…からか/…せいか/…のか => perhaps because ~. N3
Cause, reason
せいで/せいか => Because of A, B N3
Reason, Result, Response
せいか => perhaps because ~ N2
せいにする => Blame... N2
Cause, reason
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
せいだ => because of; due to N3
Cause, reason
いずれにせよ => anyway N2
Situation
どうせ ... いじょう/どうせ ... からには => anyhow; in any case; at any rate; after all; no matter what N3
Necessity, obligation