全身ぜんしん全霊ぜんれい
zenshinzenrei

Noun

1. complete devotion; body and soul; one's best

Yojijukugo
かれ全身ぜんしん全霊ぜんれい仕事しごとんだ。
karewa zenshinzenrēo shigotoni uchikonda.
He gave body and soul to his job.