马大哈

• Pinyin: mǎ dà hā
• Hanzi breakdown: 马大哈 is a fixed colloquial label; the characters are mainly phonetic in this nickname-like expression.

Meaning

A careless, sloppy, or forgetful person. It is a mild teasing label for someone who often overlooks details.

马大哈 is older than most internet slang and is common in family or school contexts. It criticizes carelessness without sounding as harsh as calling someone incompetent.

Examples

1. 他又忘带门卡，真是马大哈。 He forgot his access card again. What a careless person.
2. 马大哈出差前一定要检查证件。 A careless person should always check their documents before a business trip.
3. 别做马大哈，合同金额再核一遍。 Don't be careless. Check the contract amount one more time.

Usage Guide

Context: family, school, work reminders

Tone: teasing, admonishing

Do Say

• 他又忘带门卡，真是马大哈。
• 马大哈出差前一定要检查证件。

Don't Say

• Do not use it in formal performance reviews.

Common Mistakes

• Trying to interpret the characters literally; 马大哈 functions as a fixed colloquial label.

Origin & History

A colloquial nickname-like expression long used for careless people; often explained as sounding playful rather than literal.

Cultural Context

Era: Older colloquial Mandarin, still current

Generation: All generations, especially older speakers too

Social background: Common in family, school, and workplace reminders

Regional notes: Widely understood across Mainland China.