care naught for

1. 对……不感兴趣
   They cared naught for my suggestions.

   他们对我的建议不感兴趣。

come to naught

1. 失败；无结果
   The plan came to naught at last.

   计划最终成为泡影。

• come to naught
  be ruined or foiled.
• set at naught
  archaic disregard; despise.