to do something that is considered morally wrong in ethics
做某事，被认为在道德上是错误的 (zuò mǒu shì, bèi rènwéi zài dàodé shàng shì cuòwù de)
"Selling user data without permission crosses the ethical line."
"未经许可出售用户数据 越过了道德界限。" (wèi jīng xǔkě chūshòu yònghù shùjù **yuèguòle dàodé jièxiàn**.)
Having good knowledge of modern technology.
Not clear or not paying attention
a person who talks too much or reveals secrets
to fail completely in an embarrassing way
to shout and complain loudly
something that is visually appealing but may lack substance...
