She says she'll hang in until she makes the business work.她说她会坚持到生意正常运行为止。

She did her best to hang in against some of the more experienced swimmers.她尽了最大努力坚持与一些经验更丰富的游泳运动员比拼。

Hang in there, kid! Don't quit!坚持住，孩子！不要放弃！

The design of the new currency is still hanging in the air.新货币的设计方案还没有最终确定下来。