出洋相 chū yáng xiàng

出洋相 chū yáng xiàng

解释：出丑，丢面子。

Explanation:
Linkened to making a fool of sb. or oneself. Also referring to making a strange exhibition of oneself.

Dialogue:
A：wǒ dē chúyì bù jīng, jiù bù zài dàjiā miànqián chū yángxiàng le.
A：我 的 厨艺 不 精， 就 不 在 大家 面前 出 洋相 了。I am not good at cooking. So I am planning to make a scene in front of you.
B：nǐ bié qiānxǖ le.
B：你 别 谦虚 了。Don’t be too modest.