She stood hesitating on the threshold.

她站在门口，犹豫不决。

《牛津词典》

She felt as though she was on the threshold of a new life.

她觉得好像就要开始新生活了。

《牛津词典》

Scarcely had they set foot on the threshold, when Tom called out, "Don't bring me any more hay!"

他们刚一踏进门槛，汤姆就喊道：“别再给我拿草料了！”

youdao

Social security premiums have increased in the last 20 years, putting families on the threshold of poverty.

VOA: standard.2010.02.25

We stand on the threshold of a great ability to produce more, do more, be more.

CNN: State of the Union Address

My eyelids began to grow heavier, the rest of my body, on the threshold of sleep, suddenly lighter.

NEWYORKER: Sweetheart Sorrow

Russia's chief negotiator, Sergei Ryabkov, spoke of being "still on the threshold" in remarks to the Interfax news agency.

BBC: The clock is ticking on Iran