ruthless/strong (e.g. of wine)/(loanword) cool/hip/stimulating/very/extremely/deeply/cruel/merciless/brutal/fashionably attractive or impressive
Definitions (粵典–words.hk)
語素
形容程度非常大 very; extremely
酷熱
酷热
very hot
酷似
酷似
very alike
語素
無情；殘忍 unfeeling; cruel
酷刑
酷刑
savage torture
殘酷
残酷
cruel; ruthless; brutal; ruthlessly causing much pain
冷酷
冷酷
unfeeling; callous
形容詞、台灣、大陸
英文 cool 嘅國語音譯，意即啲嘢好型 cool, as 酷 is pronounced as ku in Mandarin Chinese
Definitions (Wiktionary)
character, Mandarin, slang
cool; awesome
character
cruel; brutal; savage
殘酷
残酷
cán kù cruel
character
extremely; to an extreme degree
酷愛
酷爱
kù ài to have a passion for; to ardently love
character, literary, of alcohol
strong; intense
Definitions (Unihan)
strong, stimulating
very
Cangjie Input
MWHGR
Definitions (HSK3.0)
HSK3 六级词汇表 #515
HSK3 六级汉字表 #128
Examples (Tatoeba—Mandarin-English)
Mandarin
她酷爱打网球。
她酷愛打網球。
tā kù ài dǎ wǎng qiú 。
She is fond of playing tennis.
Mandarin
我酷爱电视。
我酷愛電視。
wǒ kù ài diàn shì 。
I'm a TV addict.
I'm a kid who watches a lot of TV.
I really like TV.
Mandarin
他酷爱钓鱼。
他酷愛釣魚。
tā kù ài diào yú 。
He is fond of fishing.
He loves fishing.
He loves to fish.
Mandarin
你真冷酷无情。
你真冷酷無情。
nǐ zhēn lěng kù wú qíng 。
You have no heart.
Mandarin
竞选活动的声势也来自那些已不再年轻的人们，他们冒着严寒酷暑，敲开陌生人的家门进行竞选宣传；竞选声势也源自数百万的美国民众，他们充当志愿者和组织者，他们证明了在两百多年以后，民有、民治、民享的政府并未从地球上消失。这是你们的胜利。
競選活動的聲勢也來自那些已不再年輕的人們，他們冒着嚴寒酷暑，敲開陌生人的家門進行競選宣傳；競選聲勢也源自數百萬的美國民眾，他們充當志願者和組織者，他們證明了在兩百多年以後，民有、民治、民享的政府並未從地球上消失。這是你們的勝利。
jìng xuǎn huó dòng de shēng shì yě lái zì nà xiē yǐ bù zài nián qīng de rén men ， tā men mào zhe yán hán kù shǔ ， qiāo kāi mò shēng rén de jiā mén jìn xíng jìng xuǎn xuān chuán ； jìng xuǎn shēng shì yě yuán zì shù bǎi wàn de měi guó mín zhòng ， tā men chōng dāng zhì yuàn zhě hé zǔ zhī zhě ， tā men zhèng míng le zài liǎng bǎi duō nián yǐ hòu ， mín yǒu 、 mín zhì 、 mín xiǎng de zhèng fǔ bìng wèi cóng dì qiú shàng xiāo shī 。 zhè shì nǐ men de shèng lì 。
It drew strength from the not-so-young people who braved the bitter cold and scorching heat to knock on doors of perfect strangers, and from the millions of Americans who volunteered and organized and proved that more than two centuries later a government of the people, by the people, and for the people has not perished from the Earth.