It's just a social convention that men don't wear skirts.

男人不穿裙子仅仅是一个社会习俗。

Despite her wish to defy convention, she had become pregnant and married at 21.

尽管她不想遵循传统习俗，但她还是在21岁时就怀孕并结婚了。

We go offstage and come back for the convention of the encore.

按照惯例，当要求我们再唱一次的时候，我们得先下台然后再返回台上。

the stylistic conventions of Egyptian art.

埃及艺术的传统风格。

the UN convention on climate change.

关于气候变化的联合国公约。

the annual convention of the Society of Professional Journalists.

职业新闻工作者协会的年会。