the thorniness of sth
用 of 引出令人感到棘手的事物，既可指植物多刺，也可指问题复杂难办。
The thorniness of the trade dispute made a quick deal unlikely.
这场贸易争端的棘手使快速达成协议变得不太可能。
多刺；棘手；困难
多刺；棘手。
The quality of being thorny, either having many thorns or being difficult and complicated.
多刺；棘手。
The property of being thorny (of having thorns or metaphorically being difficult).
The thorniness of the rose bush made it hard to prune.
玫瑰丛的多刺使它很难修剪。
用法提示：表示植物具有多刺的特质。
We discussed the thorniness of the problem for hours.
我们讨论了这个问题的棘手性好几个小时。
用法提示：比喻困难、棘手的特性。
She was surprised by the thorniness of the negotiations.
她对谈判的棘手程度感到惊讶。
用法提示：抽象用法，指困难、麻烦。
用 of 引出令人感到棘手的事物，既可指植物多刺，也可指问题复杂难办。
The thorniness of the trade dispute made a quick deal unlikely.
这场贸易争端的棘手使快速达成协议变得不太可能。
用名词所有格直接修饰 thorniness，语气比 of 结构更紧凑，多用于书面语。
The proposal's thorniness became clear during the debate.
在辩论中，这项提案的棘手之处变得显而易见。
there be 结构后接 in，指出棘手的方面或领域，常用 real、some 等词修饰。
There is real thorniness in the question of who should pay.
在由谁付钱这个问题上确实很棘手。
grammar · medium
易错句子The thorny of this problem makes it hard to solve.
正确表达The thorniness of this problem makes it hard to solve.
介词 of 前必须用名词，而 thorny 是形容词、thorniness 才是名词。汉语“棘手”一词既可当形容词也可当名词用，学生常直接把形容词填进名词的位置，这里要把 thorny 改成 thorniness。
grammar · medium
易错句子This question is very thorniness for beginners.
正确表达This question is very thorny for beginners.
系动词 is 后面的表语要用形容词，表示“棘手的”是形容词 thorny，而 thorniness 是名词。汉语形容词可直接作表语，受此影响学生易拿英语名词充当表语，须把 thorniness 改为 thorny。
grammar · medium
易错句子The thorniness of the rose scratched my hand.
正确表达The thorns of the rose scratched my hand.
thorniness 表示“多刺、棘手”这一抽象属性，不能指具体的刺；能划伤手的是具体名词 thorn，此处指多根刺，用可数复数 thorns。
thorny 是形容词，直接修饰名词，如 a thorny issue；thorniness 是名词，表示“多刺”或“棘手”这一性质，常作主语或宾语。
thorn 指植物上具体的刺；thorniness 指“多刺”的性质，也可比喻问题的棘手程度，一般不指具体的刺。
thoroughness 意为“彻底、周全”，与 thorniness 拼写和发音相近但意义无关：前者谈做事细致，后者谈多刺或棘手。
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