at the risk of doing something idiom
（表示自己说的话可能造成冒犯或听起来很蠢）冒着…的风险
used before you say something that may seem offensive or stupid
At the risk of seeming rude, I'm afraid I have to leave now. 恕我失礼，恐怕我现在必须得走了。
At the risk of sounding stupid, how do I send this email? 问一个傻问题，我怎么发电子邮件呢？