to never expect

• 真想不到！

  What a surprise!

• 怎么也想不到事情会不成功。

  I never expected that it wouldn't succeed.

• 想不到故乡的面貌改变得这样快。

  I never expected that my hometown could change so fast.

• 想不到他竟然拒绝了

  I never expected him to refuse

• 这是我想不到的事。

  I never expected this.

• 你想不到的事多着呢！

  you find so many things surprising!

• 想不到又发生了这样的悲剧。

  Another tragedy like this was unexpected.

• 谁也想不到他会来。

  No one expected him to come.