“正当”的英语？

“正当”的拼音为：zhèng dāng...

我会接受任何给我的工作，只要是正当的。I will take any job that comes along, within reason.科学家们越来越拿不准这一技术是否正当合法。Scientists are becoming increasingly unsure of the validity of this technique.他一直被那些指控他有不正当商业行为的说法所困扰。He has been dogged by alle...