Meaning of kù:
kù
酷
Adjective
ruthless; strong (e.g. of wine); (loanword) cool; hip
Nà wèi lǐngdǎo duì yuángōng fēicháng kù.
那位领导对员工非常酷。
That leader is very ruthless towards the employees.
Zhè kuǎn jiǔ de wèidào hěn kù.
这款酒的味道很酷。
The taste of this wine is very strong.
Tā chuān de yīfu fēicháng kù.
他穿的衣服非常酷。
The clothes he is wearing are very cool.
Tā jīntiān chuān de hěn kù.
他今天穿得很酷。
He's dressed very hip today.