threshold的意思是：n.门槛；开端；界限；入口。threshold的详尽释义是n.(名词)门槛，入口，门口开端，开始界限，限度起点，出发点，起始点【生、心】阈，阈值，阈限入门起征点， 起增点【物】临界值。threshold【近义词】doorway门口。
一、详尽释义点此查看threshold的详细内容
二、英英释义
"on the threshold of manhood"
"he stuck his head in the doorway"
三、词典解释
1.门槛;门口
Thethreshold of a building or room is the floor in the doorway, or the doorway itself.
e.g. He stopped at thethreshold of the bedroom...
他在卧室门口停住了。
e.g. The bride was carried over thethreshold.
新娘被抱进了家门。
2.(某事发生或改变的)界限，阈，起始点
Athreshold is an amount, level, or limit on a scale. When thethreshold is reached, something else happens or changes.
e.g. She has a lowthreshold of boredom and needs the constant stimulation of physical activity...
她容易厌倦，需要时常进行活动来刺激一下。
e.g. The consensus has clearly shifted in favour of raising the nuclearthreshold...
显然大家已普遍开始转向支持提高核武器使用的门槛了。
3.在…开端;将要经历;面临着
If you areon the threshold of something exciting or new, you are about to experience it.
e.g. We are on thethreshold of a new era in astronomy.
我们很快就将迎来天文学的新纪元。
e.g. ...a lovely girl on thethreshold of growing up.
眼看就要长大成人的可爱女孩
四、例句
The cabin has a flat stone for a threshold.
这间小屋用一条扁平的石头做门槛。
The treaty will be the threshold of lasting peace.
这个条约将成为持久和平的开端。
He was on the threshold of his career.
他的事业刚刚起步。
The tax threshold for a pensioner is $6,000.
领退休金的人的纳税起点是六千美元。
He had never crossed the threshold of a bar before.
他过去从未进过酒吧的门。
五、词汇搭配
六、经典引文
She went back to the door..and paused on the threshold.
出自：Joan Smiththreshold的相关近义词
doorway、brink、gateway、portal、doorstep、door、verge、entrance、entry、starting point、edge、dawn、eve、opening、level、limit、maximum、ceiling、outside、divide、doorsill、limen
threshold的相关临近词
thrice、thresh、thresholds、Threshold H、thresholding、thresholdlng、threshold law、Threshold VAR、threshold CNR、Threshold fog、threshold RSA、threshold key