大同小异

• Pinyin: dà tóng xiǎo yì
• Hanzi breakdown: 大 = big; 同 = same; 小 = small; 异 = different

Meaning

More or less the same; similar with minor differences; much of a muchness. An idiom describing things that are essentially alike despite small variations.

Used when comparing options, products, or situations that don't differ significantly. Can be neutral (things are comparable) or slightly dismissive (nothing special distinguishes them).

Examples

1. 这几家店卖的东西大同小异，价格也差不多。 These stores sell more or less the same things, and the prices are about the same too.
2. 各国的交通规则大同小异，无非是靠左还是靠右行驶的区别。 Traffic rules across countries are largely similar — it's just a matter of driving on the left or right.
3. 他们的方案和我们的大同小异，没必要争来争去。 Their proposal is much the same as ours — there's no need to argue back and forth.

Usage Guide

Context: comparison, evaluation

Tone: matter-of-fact

Do Say

• 这两款手机大同小异。(These two phones are more or less the same.)
• 各地的习俗大同小异。(Customs in various places are largely similar.)

Don't Say

• 猫和狗大同小异 (大同小异 is for things in the same category — cats and dogs are too different)

Origin & History

Classical idiom where 大同 (largely the same) + 小异 (minor differences) together describe similarity with slight variations.

Cultural Context

Generation: All ages

Social background: Universal