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frightening + noun
frightening 作定语，修饰名词。
It was a frightening experience.
那是一次令人恐惧的经历。
令人恐惧的；吓人的
先理解核心含义，再看它在真实句子里的用法。
令人恐惧的；吓人的
causing fear; scary
It was a frightening experience.
那是一次令人恐惧的经历。
引起恐惧的,令人害怕的
Causing fear; or capable of causing fear; scary.
糟糕的,可怕的,非常坏的
Awful, terrible, very bad.
The horror movie was so frightening that I couldn't sleep.
那部恐怖电影太令人恐惧了，我无法入睡。
Walking alone in the dark forest at night is a frightening experience.
夜里独自走在黑暗的森林中是一种令人恐惧的经历。
She let out a frightening scream when she saw the spider.
她看到蜘蛛时发出了一声令人恐惧的尖叫。
frightening 作定语，修饰名词。
It was a frightening experience.
那是一次令人恐惧的经历。
it 作形式主语，不定式是真正主语。
It is frightening to walk alone at night.
晚上独自走路很吓人。
find + 宾语 + 形容词补足语。
Many people find horror movies frightening.
很多人觉得恐怖电影很吓人。
Not this
The movie was very frightened.
Use this
The movie was very frightening.
形容词frightened形容人感到害怕，而frightening形容事物令人害怕。这里电影是令人害怕的事物，应该用frightening。
Not this
It is frightening me.
Use this
It frightens me.
frightening是形容词，不能带宾语；表示‘它使我害怕’应该用动词frighten的第三人称单数形式frightens。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
可怕的经历
That was a frightening experience for the whole family.
那对整个家庭来说是一次可怕的经历。
令人恐惧的前景
The thought of losing his job was a frightening prospect.
想到可能失业，前景令人恐惧。
惊人的速度
The disease spread with frightening speed through the population.
这种疾病以惊人的速度在人群中传播。
吓人的想法
It's a frightening thought that we might never see them again.
想到我们可能再也见不到他们，这个想法很吓人。
可怕的景象
The aftermath of the earthquake was a frightening sight.
地震后的景象十分可怕。
发长 /aɪ/ 音 (如 high, light)
Same pattern, same sound
Use frightening naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
将 'fright' 联想为恐惧，'ning' 谐音 '狞'（狞笑），恐惧的狞笑令人毛骨悚然。
通常用于描述事物或情况令人恐惧，比较常见于书面和口语，在非正式场合中也可使用。
可置于名词前作定语，或系动词后作表语；常用it作形式主语，后接that从句或不定式短语。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.