We're at the threshold of a new era.

我们正处在一个新时代的门槛上。

Finally, he made a long pause at the threshold of the parlor.

最后，他在客厅的门​​槛处停了很久。

Tiya stands frozen at the threshold of the door, while the other tourists brushed by her.

蒂雅站在门槛处一动不动，其他游客从她身边擦身而过。

By 2050, massive population growth is expected, and we will need to feed 9 billion people, or we will risk being at the threshold of conflict and starvation.

到 2050 年， 预计人口将大幅增长，我们将需要养活 90 亿人， 否则我们将面临冲突和饥饿的风险。