ominous + noun
形容词直接修饰名词，表示不祥的预兆。
The sky was full of ominous clouds.
天空中布满不祥的云朵。
不祥的；不吉利的；恶兆的
预兆的；有预兆意义的；象征性的；威胁或预示不祥或悲剧的；特指预示不祥的；凶兆的；预示厄运的
suggesting that something bad or unpleasant is going to happen; being a sign or omen of trouble
预兆的；有预兆意义的；象征性的
Of or pertaining to an omen or to omens; being or exhibiting an omen; significant.
威胁或预示不祥或悲剧的
threatening or foreshadowing evil or tragic developments
特指预示不祥的；凶兆的
Specifically, giving indication of a coming ill; being an evil omen
预示厄运的
presaging ill fortune; ; ; - P.B.Shelley
The dark clouds were an ominous sign of the approaching storm.
黑色的云层是暴风雨即将来临的不祥之兆。
用法提示：形容词用作定语，修饰sign，表示不吉利的预兆。
AI contextual example
His silence during the meeting was ominous and made everyone uneasy.
他在会议上的沉默很不吉利，让所有人都感到不安。
用法提示：形容词作表语，描述silence的特征，表示不祥的意味。
AI contextual example
She heard an ominous creaking sound from the old staircase.
她听到旧楼梯传来不祥的吱嘎声。
用法提示：形容词作定语，修饰sound，传达不祥、危险的信号。
AI contextual example
形容词直接修饰名词，表示不祥的预兆。
The sky was full of ominous clouds.
天空中布满不祥的云朵。
系表结构，描述主语的特征。
The silence was ominous.
寂静令人感到不祥。
介词 for 表示对某人或某物不利。
The economic forecasts are ominous for the country.
经济预测对这个国家来说是不祥之兆。
比ominous更强调直接、明显的威胁感
侧重内在的邪恶或阴险，语气更强
语气较直接，常用于具体行为或表情
多形容感觉或氛围，而非具体事物
较正式，常指重大事件的前兆
grammar · medium
易错句子The silence gave an ominous.
正确表达The silence was ominous.
Ominous 是形容词，不能用作名词。应改为形容词做表语，使用 be 动词。
grammar · medium
易错句子He looked at me ominous.
正确表达He looked at me ominously.
修饰动词 look 应使用副词 ominously，而非形容词。
与 ominous（凶兆的）相对，表示预示成功或好运；多用于正式或典雅语境。
与 ominous（不祥的）相反，指条件或迹象有利，有助于成功；常指时机或天意。
与 ominous（预示厄运）相反，指迹象预示未来良好；强调潜力与希望。
与 ominous（威胁性的）相对，表示条件有利或评价正面；较通用。
ominous 侧重不祥的预兆，portentous 强调预示重大（常为负面）事件，语气更正式
ominous 指预兆不祥，sinister 强调带有邪恶或恶意
不祥之兆
The black cat crossing the road was seen as an ominous sign.
黑猫穿过马路被认为是不祥之兆。
不祥的寂静
The ominous silence before the storm made everyone nervous.
暴风雨前不祥的寂静让每个人都很紧张。
乌云（预示不祥）
Ominous clouds gathered on the horizon, signaling a coming disaster.
地平线上聚集着乌云，预示着灾难即将来临。
不祥的警告
The scientist issued an ominous warning about the rising sea levels.
科学家就海平面上升发出了不祥的警告。
威胁性的语气
His voice took on an ominous tone as he described the consequences.
他在描述后果时，语气变得带有威胁性。
不祥的存在
The abandoned house had an ominous presence that deterred visitors.
那座废弃的房子散发着不祥的气息，阻止了访客进入。
root: omen (预兆), suffix: -ous (具有...性质的)
root: omen
与ominous相关，指预示着坏事的迹象。
对即将发生坏事的恐惧感，与ominous气氛相符。
带来危险或危害的事物，与ominous的威胁性一致。
不可避免的灾难或死亡，是ominous预示的结果。
不吉利的征兆，与ominous直接相关。
不祥之兆
The black cat crossing the road was seen as an ominous sign.
黑猫穿过马路被视为不祥之兆。
不祥的寂静
There was an ominous silence before the storm hit.
暴风雨来临前，一片不祥的寂静。
不祥的存在
The abandoned house had an ominous presence that made me uneasy.
那座废弃的房子有一种不祥的存在，让我感到不安。
请放不祥的音乐。
This line is often used humorously to call for a foreboding soundtrack, originally from The Simpsons episode 'Treehouse of Horror VI'.
这句台词常用于幽默地要求播放不祥的背景音乐，出自《辛普森一家》的万圣节特辑。
不祥，非常不祥。
Professor Slughorn utters this line when discussing the Dark Lord Voldemort's past, creating a tense atmosphere in Harry Potter and the Half-Blood Prince.
在《哈利·波特与混血王子》中，斯拉格霍恩教授在讨论黑魔王伏地魔的过去时说了这句话，营造了紧张的氛围。
Dictionary facts from ECDICT, WIKTIONARY.