idea

• 坏念头

  bad idea

• 怪念头

  strange idea

• 摆脱不开的念头

  idea that can't be shaken off

• 这种念头倒是好的。

  This is actually a good idea.

• 我有过这种念头。

  I've had an idea like that before.

• 从来没有过这种念头。

  I've never had an idea like that.

• 心里起了个念头

  come up with an idea

• 谁知他转的什么念头。

  Who knows what sort of idea he is thinking up?.

• 他打消了这个念头。

  He has changed his mind.