娄子

nǐ zhè yàng xià qu fēi chū lóu zi bù kě

你这样下去非出娄子不可。

You are bound to get into trouble if you go on like this.

wú yí tā yòu tǒng le gè lóu zi

无疑他又捅了个娄子。

No doubt he had blundered again.