不大

• Pinyin: bú dà
• Hanzi breakdown: 不 (not) + 大 (big) — not big, not very

Meaning

Not very; not particularly. An adverbial expression meaning something is moderate or below expectations.

Literally 'not big', but commonly used as an understatement meaning 'not very' or 'not particularly'. Can modify adjectives (不大好, not very good) or describe physical size (房间不大, the room isn't big). A mild and indirect way to express dissatisfaction or modesty.

Examples

1. 这个房间不大。 This room isn't very big.
2. 今天不大热。 It's not very hot today.
3. 我家不大，但是很好。 My home isn't big, but it's nice.

Usage Guide

Context: everyday, conversation

Tone: understated

Do Say

• 他不大喜欢吃辣的。(He doesn't particularly like spicy food.)
• 这件衣服不大合适。(This piece of clothing doesn't quite fit.)

Don't Say

• 不大没有 as a double negative (Don't stack 不大 with 没有 — choose one negation pattern)

Origin & History

A simple negation compound: 不 (not) + 大 (big). The literal meaning 'not big' extended naturally to the figurative sense of 'not very'.

Cultural Context

Generation: All ages

Social background: Universal