1 N-COUNT [usually singular] 门槛;门口 The threshold of a building or room is the floor in the doorway, or the doorway itself. 门槛;门口
SYN entrance, doorway, door, doorstep
2 N-COUNT [n NOUN] (某事发生或改变的)界限,阈,起始点 A threshold is an amount, level, or limit on a scale. When the threshold is reached, something else happens or changes. (某事发生或改变的)界限,阈,起始点
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She has a low threshold of boredom and needs the constant stimulation of physical activity. [+ of]
她容易厌倦,需要时常进行活动来刺激一下。
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The consensus has clearly shifted in favour of raising the nuclear threshold.
显然大家已普遍开始转向支持提高核武器使用的门槛了。
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Fewer than forty per cent voted — the threshold for results to be valid.
投票的人不到 40%—投票结果无效。
SYN limit, margin, starting point, minimum
3 PHRASE 在…开端;将要经历;面临着 If you are on the threshold of something exciting or new, you are about to experience it. 在…开端;将要经历;面临着
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