He's been acting the devoted husband all day.

他整天装作模范丈夫的样子。

《牛津词典》

youdao

From being strong, devoted and ambitious (a female copy of her husband) to vulnerable, hurt and on the verge of madness. Charlize Theron gracefully floats into this character.

从强势、热衷事业、雄心勃勃(她丈夫的翻版)到脆弱敏感、伤痕累累直至崩溃的边缘，查理兹·塞隆举重若轻地完成了这个角色。

youdao

"The devoted husband, father of three, grandfather of five, and friend to all who knew him, will be greatly missed by his family and community, " the statement said.

WSJ: Family, Colleagues Grieve for Slain Judge, John Roll

In addition to amassing own his unique and prodigious output, David was a devoted husband and champion of the pioneering scholarship of his wife of 53 years, Gisele Orebi, better known under her nom de plume, Bat Ye'or.

CENTERFORSECURITYPOLICY: Center For Security Policy

Gave herself four hours each night to sleep, the other twenty hours devoted to constant motion, because when she took the time to think about her husband she couldn't breathe.

NPR: Waiting and Dreading: Families in War Time