倒是grammar point · tier 1 · 倒（是） — actually, on the contrary (a mild turn against what was set up)
· dào (shì)
Clause-internal adverb marking the predicate as a mild turn against what the first clause led you to expect — concedes the setup, then leans the other way (actually / on the contrary / as it happens). 是 commonly attaches as 倒是.
字源 FORM what the parts do
倒 is a person (亻) and 到 dào lent only for the sound; the whole graph is the one who reaches the tipping point and goes over — the topple, the turn-around. 是 sets the turned-around thing down as so. 倒 sits inside the clause, after the topic and before the predicate, and tips the predicate the other way from where the first clause leaned.
故事 STORY a scene to remember it by
The first clause leans one way and you brace to fall with it; just past the next topic, 倒 catches your weight and tips it over to the far side instead.
字源記憶法自撰
框 · Frame
[clause A, setup], [topic B] 倒（是） [predicate leaning against A]
觸 · Trigger
You grant the first thing, then the next point tips the other way — softer than a flat reversal, the turn riding on the second topic's own predicate.
序 · The move
1State clause A — the setup the listener will lean into.Does A genuinely build an expectation, so a turn can be felt against it?
2Open clause B with its topic, then place 倒 (or 倒是) right after that topic, before the predicate.倒 sits inside B, after the topic and before the verb — never at the clause head like a conjunction.
3Let the predicate lean against A — a softened 'actually / on the contrary', granting A rather than cancelling it.If you mean a hard logical reversal with no concession, 卻 fits better; 倒 keeps the conceding, turning-back tone.
例 · Examples
1這間公司是值得worth (doing)投資to invest; investment的，至於as for; as to投資多少how much倒是actually; on the contrary (mild turn)可以再討論can be discussed further。
This company is indeed worth investing in; as for how much to invest, that's actually open to further discussion.
卻 marks a sharp logical reversal — the predicate runs flatly counter to A. 倒（是） concedes A first, then leans the other way with a softer 'actually / as it happens'. 卻 fights the setup; 倒 grants it, then tips.
只是 heads its clause and sets one minor reservation beside A without turning against it. 倒（是） sits after the topic, inside the clause, and does tip the predicate the other way — a turn, not a footnote.
反而 marks an outcome opposite to what was expected ('instead, the reverse happened'). 倒（是） colours the speaker's stance — a conceding 'actually' — and need not report a contrary result, only a contrary lean.
✗ 倒是這間公司值得投資。 → ✓ 這間公司值得投資，價錢倒是可以再談。 (倒 turns the second clause from inside, after its topic — not the opening setup)
✗ 至於投資多少可以再討論倒是。 → ✓ 至於投資多少倒是可以再討論。 (倒是 goes before the predicate, not at the clause end)
✗ 他很有錢倒是很小氣。 → ✓ 他很有錢，倒是很小氣。 (倒 sits inside its own clause after the topic; the setup clause stands on its own first)
English 'actually / on the contrary' floats to the clause front; learners front 倒（是） the same way. 倒 stays buried after the topic, on the predicate, and carries a conceding tone English fronting loses.