英语语法分析

Mark Johnston was running unopposed for mayor in Saco, Maine.

马克•强森竞选缅因州萨库市市长时没有竞争对手。

《柯林斯英汉双解大词典》

While the Romans were thus distracted by internal conflict, other tribes seized the opportunity to cross into Roman territory unopposed.

当罗马人因此而被内部冲突分散注意力的时候，其他部落抓住机会进入了无人防卫的罗马领土。

After the Battle of Aegospotami, the Spartan navy sailed where it pleased unopposed.

伊哥斯波塔米战役后，斯巴达海军开赴他们所向披靡的地方。