平生 is read as へいぜい (heizei) and means usual.
へいぜい
heizei
へいぜいは
in ordinary days
へいわてきせいぞんけん
right to live in peace
ひらび
kanji radical 73
へいわ
peace
へいせい
Heisei era (1989.1.8-2019.4.30)
へいねん
non-leap year
へいや
plain
へいめん
level surface
びょうどう
equality
へいこう
not reaching an agreement (e.g. of a debate)
へいじょう
normal
ひらち
level ground