Their business deals are not always completely kosher.
他们的商业活动并不总是光明正大的。
《牛津词典》
Acting was not a kosher trade for an upper-class girl.
那时演戏对出身上流社会的女孩儿来说不是一个合适的职业。
《柯林斯英汉双解大词典》
At the kosher dinner table in her home near Cleveland, she said that she would start arguments with her parents so she could stomp off and avoid eating.