差不多grammar point · tier 1 · 差不多 (about the same; almost, nearly)
· chàbùduō
Says the gap left is not much: two things come out about the same, or an amount has almost reached its mark.
字源 FORM what the parts do
差 (chà) is two halves that fail to line up — the shortfall, the gap. 不多 measures that gap and finds it small. The two parts return a verdict on the shortfall: close enough.
故事 STORY a scene to remember it by
Two edges slide toward each other and nearly meet; the sliver still open between them is too thin to count.
字源自撰記憶法
框 · Frame
[A] 跟 [B] 差不多 = about the same; 差不多 [amount/verb phrase] = almost, nearly (often 差不多都)
觸 · Trigger
Something has come close to level or close to complete, and the shortfall is too small to bother stating.
序 · The move
1Name the gap — between two things being weighed, or between an amount and the mark it is reaching.Is there a measurable distance, not a flat sameness already arrived at?
2Judge the gap small. Put 差不多 where the shortfall is reported — before the quality two things share, or before the amount/verb that has nearly come full.Is the leftover genuinely negligible? A real gap takes 差得多 / 差很多 instead.
3For the 'almost all' reading, let 都 follow to sweep the set.差不多都 = nearly the whole lot, with a few still short.
例 · Examples
1我們派對party可以開始了，客人guest差不多almost, nearly — the gap left is small都all (sweeps the set)到arrive了。
We can start the party — the guests have almost all arrived.
界 · Boundary
跟…一樣
跟…一樣 says the two match with no gap left; 差不多 leaves a small gap open and waves it off. Exactly equal vs nearly equal.
差得多 / 差很多
Same 差 measuring the same gap, opposite verdict. 差不多 calls the gap small (close enough); 差得多 calls it large (far off). The 不多 vs 得多 decides which.
概數 (十幾、十多) approximates a count inside the number itself; 差不多 sits outside as a verdict that the whole amount has nearly reached its mark. A fuzzy figure vs a near-complete one.
✗ 他們兩個一樣高，差不多 → ✓ 他們兩個差不多高 (差不多 reports a small gap; do not stack it on 一樣, which already says no gap)
✗ 客人差不多到了都 → ✓ 客人差不多都到了 (差不多 leads, 都 sits before the verb)
✗ 這兩個城市差不多，可是大小差很遠 → ✓ 這兩個城市差不多大 (差不多 only holds when the gap is small; a wide gap takes 差很多/差得多)
English drops 'almost / about the same' as a free adverb anywhere ('almost everyone came'); the learner forgets 差不多 names a measured shortfall and that the 'almost all' reading wants 都 before the verb (差不多都到).