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》
2
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》
3
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.