不分青红皂白

1. • not distinguishing red-green or black-white (idiom)
2. • not to distinguish between right and wrong

Character by character

• 不(bù)no
• 分(fēn)divide
• 青(qīng)short name for Qinghai 青海 qīnghǎi
• 红(hóng)surname Hong
• 皂(zào)soap
• 白(bái)surname Bai