杀人不眨眼

shā rén bù zhǎ yǎn

to murder without blinking an eye (idiom)

ruthless; cold-blooded

杀

shā

to kill; to slay; to murder; to attack

人

rén

person; people

不

bù

no; not so

眨

zhǎ

to blink

眼

yǎn

eye (CL:隻|只[zhi1],雙|双[shuang1])