跨进的英文：
cross the threshold of

参考例句：

He strode angrily into the classroom.
他气愤地跨进教室。

They stepped into a helicopter and flew high in the sky in order that they might have a bird's eye view of the city.
为了对这个城市作一鸟瞰，他们跨进直升飞机，凌空飞行。

"Soapy stepped in, took the umbrella, and slowly continued his way. "
苏比跨进店门，拿起雨伞，然后慢吞吞地往外走。

I had scarcely passed my twelfth birthday when I entered the inhospitable regions of examinations
我跨进那冷淡无情的考区时才十二周岁。

Arthur, who, from habitual reverence and feeling, was always more than respectful in a place of worship.
至于亚瑟，他出自习惯造成的虔诚和感觉，一跨进礼拜堂，就会肃然起敬。

I am amazed to see a beggar step into a shiny Mercedes.
看到一个乞丐跨进一辆闪亮的奔驰轿车我惊愕不已。

Arthur, who, from habitual reverence and feeling, was always more than respectful in a place of worship
至于亚瑟，他出自习惯造成的虔诚和感觉，一跨进礼拜堂，就会肃然起敬。

cross是什么意思：
n. [C]
1.十字形，十字形记号
2.十字架
3.（常大写）基督教[the Cross]
4.（教徒）画十字的动作
5.十字形装饰物，十字勋章
6.混合物，杂交，杂种(+between)
7.磨难，苦难
v.[T]
1.越过，渡过
2.使交叉，与……相交
3.错过
4.使杂交(+with)
5.【英】在支票上画两条两条平行线（表示只能在银行转账）
6.（为祈福等）画十字于
7.反对，妨碍
v.[I]
1.横穿，横渡
2.交叉，相交
3.错过
4.杂交
a.
1.发怒的，脾气坏的(+with/at)
2.交叉的，横贯的
3.相反的

No cross, no crown.
没有磨难，就没有皇冠。

Use the zebra crossing to cross the road.
走斑马线过马路。

mark one's cross
画押，画十字

They ought to stop at the pedestrian crossing.
他们该停在人行横道上。

Our letters crossed in the post.
我们的信在邮寄途中错过去了.

threshold是什么意思：
n. 极限；临界值；门槛，入口；开始

The threshold of a physiological or psychological response.
阈限生理或生理反映的下限

The threshold varies depending on your system.
该阈值因系统而异。

We are on the threshold of a new era in astronomy.
我们很快就将迎来天文学的新纪元。

To cross the threshold and leave ... all these mortal dregs behind.
穿越这开端。。。并将这临死的痛苦抛远。

The body of a neuron. Acts approximately as a linear threshold element
神经元的本体,其作用近似于一种线性阀值器件。