unfailing [ʌnˈfelɪŋ]

例句:

• He was tireless and unfailing, a mover of mountains.
  来自P. Monette
• 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。
  
• 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。
  
• I remember this extraordinary man with particular affection for his unfailing cheerfulness.
  我记得这个与众不同的人，他总是一幅乐呵呵的样子，让我特别有好感。
  
• Impractically dressed...because of her unfailing optimism about the weather.
  来自M. Roberts
• Her moves are unfailing, her focus single-minded.
  来自VOA