He had the unfailing care and support of Erica, his wife.

他的妻子埃丽卡始终如一地关心和支持着他。

...a man of unfailing courtesy and kindness.

始终彬彬有礼、心地善良的人

He continued to appear in the office with unfailing regularity thereafter.

从那以后他照常出现在办公室，风雨无阻。