- 不分昼夜 bùfēnzhòuyè day and nightregardless of whether it is day or night; continuously; round-the-clock
- 不分青红皂白 bùfēnqīnghóngzàobái indiscriminately(idiom) to not distinguish between right and wrong; to do something recklessly without asking about the circumstances or reasons; literally, not distinguishing red-green or black-white
- 不分彼此 bùfēnbǐcǐ to share everythingto make no distinction between what is one's own and what is another's; to be on very intimate terms or share a close bond
- 不分胜负 bùfēnshèngfù to tieto be evenly matched or unable to determine a winner; to end in a draw
- 是非不分 shìfēibùfēn to confuse right and wrong(idiom) unable to distinguish between right and wrong or good and bad
- 黑白不分 hēibáibùfēn to confound right and wrong(idiom) unable to distinguish black from white; failing to distinguish between right and wrong or good and evil
- 五谷不分 wǔgǔbùfēn ignorant of common thingsunable to distinguish between the five grains; describes someone who is out of touch with reality or lacks practical knowledge because they have never engaged in physical labor or production
- 不分皂白 bùfēnzàobái indiscriminatelyliterally "not distinguishing black or white"; to act without distinguishing right from wrong or checking the facts; impetuously
- 不分轩轾 bùfēnxuānzhì well-matched(idiom) well-matched; equally matched; to be on a par with each other without a clear winner
- 皂白不分 zàobáibùfēn to fail to distinguish right from wrongLiterally "not distinguishing black from white"; used to describe failing to tell the difference between right and wrong or good and bad
- 玉石不分 yùshíbùfēn to not distinguish between good and badLiterally "jade and stone not separated"; to fail to discriminate between the good and the bad or the noble and the wicked.the common.
- 不分畛域 bùfēnzhěnyù to make no distinctionsTo not draw boundaries or make distinctions between people or nations; regardless of national or regional differences
- 不分情由 bùfēnqíngyóu indiscriminateto make no distinction between right and wrong; without considering the circumstances; indiscriminate
- 不分高下 bùfēngāoxià equally matchedto be equally matched; to be hard to distinguish who is stronger or who will win
- 不分胜败 bùfēnshèngbài to end in a drawto be unable to distinguish winner from loser; to result in a tie or stalemate
- 吃喝不分 chīhēbùfēn to share everythingTo be on very intimate terms, especially regarding sharing food and drinks; to fare and share together like close friends.
- 善恶不分 shàn'èbùfēn confuse good and evilto fail to distinguish between good and bad or right and wrong
- 四体不勤,五谷不分 sìtǐbùqínwǔgǔbùfēn to be out of touch with realityliterally meaning one who does not work with their limbs and cannot distinguish between different types of grain; describes someone who is lazy, out of touch with physical labor, or lacks basic life skills and practical knowledge
- 不分伯仲 bùfēnbózhòng to be on par(idiom) to be equally matched; to be so similar in talent or ability that it is impossible to distinguish a winner; literally "unable to distinguish the eldest brother from the second brother"
- 泾渭不分 jīngwèibùfēn to fail to distinguish right from wrongUnable to distinguish between good and bad or right and wrong; a failure to draw clear boundaries between different things.
- 不分晓 bùfēnxiǎo unreasonableunreasonable or failing to show understanding; undecided or lacking a clear outcome
- 不分系 bùfēnxì to enroll without a majorTo enroll in college without declaring a specific major or department, typically during the first one or two years of study.
- 不分上下 bùfēnshàngxià to not know one's placeto fail to show proper respect to one's elders or superiors; to lack a sense of social hierarchy