Though illegal under international law, the bans are generally applied with impunity.

尽管在国际法的框架下这是违法的举措，但实行此禁令并没有相关的惩罚措施。

youdao

All seem to work well, though illegal fishing, mostly by ships sailing under frequently changed flags of convenience, remains a problem.

尽管非法捕鱼(主要方法是渔船频繁地变换方便旗)仍然是一个问题，三个协议似乎都发挥了良好作用。

youdao

youdao

Some companies use it even though it is illegal.

尽管非法，有的公司也用。

爱护小朋友 - SpeakingMax英语口语达人

Though illegal immigration was the most important issue for Republican voters, the economy was a close second.

CNN: Democrats voted for change, GOP for faith and values

Ministers' concerns centre on a number of practices, which, though not illegal, appear contrary to the spirit of the legislation.

ECONOMIST: Social housing

Though not illegal, this does allow corrupt brokers to hide illegal late trades in a batch of otherwise legitimate trades.

ECONOMIST: Today Putnam, tomorrow the rest | The