我不懂我不笑
[wŏ bù dŏng wŏ bù xiào]
'I Don't Understand And I Won't Laugh' implies a stance where the owner does not want to show off what they don't know and prefers to be sincere, even when it may seem unfriendly or awkward to others. A straightforward person's attitude towards not feigning understanding or laughing for courtesy's sake.