[最中「さいちゅう」] => In the middle of A N3
Time, Situation
ため(に) => For, because… N4
Cause and Effect
をはじめ/をはじめとする => For example, A N2
Lists, Examples
さえ/にさえ/でさえ => Even N3
Not only, Not even
めったにない => Rarely N3
Degree. Level, Amount
[中心「ちゅうしん」]に => With A as the center N2
Miscellaneous
はさておき => A aside; putting A aside, B (new topic) N1
Miscellaneous
[始「はじ」]める => To begin to A; A begins N4
Secondary Verb
中 => Throughout, all over, during the course of N5
Time
てさしあげる => Do for N4
Give and take advice
[終「お」]わる => To finish A; A ends N4
Secondary Verb
に[先立「さきだ」]って/に[先立「さきだ」]ち/に[先立「さきだ」]つ => Before A occurs/takes place N2
Time, Situation