碰钉子

[pèng dīngzi]

meet with a rebuff/a difficult position

【Meaning】

“碰钉子（pèng dīngzi）”means someone is denounced or his requests is rejected. It also refers to someone meets with a difficult status. 

We can say“碰钉子子pèng le dīngzi”、“碰了个（大）钉子pèng le gè dà dīngzi”.“碰壁（pèngbì）”is a more formal usage.

【Sentences】

Xiànzài tā xīnqíng bù hǎo. rúguǒ qù gēn tā shuō zhè jiàn shì, kěndìng huì pèng dīngzi.

现在他心情不好，如果去给他说这件事，肯定会碰钉子。

He is in bad mood now. If you go to talk with him about this thing, you must get reject.