还是還是 háishi — or (in a question)

háishihai2shi5

Traditional: 還是

or (in a question)

HSK 3· HSK 1–4 (classic)Level 3· Three-band, nine-level standardconjunctionadverb

Meanings

or (in a question)
Offers a choice inside a question: 你喝茶还是喝咖啡？ In a statement the word for "or" is 或者 — the two are never interchangeable.
conjunction
had better, all the same (advising a choice)
adverb

还還
hái (second tone, rising) huán (second tone, rising)
(huán) to give back, to return something, to repay; (hái) still, yet; even more; also, in addition
7 strokes⿺辶不Radical 辵
是
shì (fourth tone, falling)
to be (am, is, are); yes, that is so; correct, right
9 strokes⿱日正Radical 日

你想喝茶还是喝咖啡？你想喝茶還是喝咖啡？Nǐ (third tone, dipping) xiǎng (third tone, dipping) hē (first tone, high and level) chá (second tone, rising) háishi (second tone, rising) hē (first tone, high and level) kāfēi? (first tone, high and level)···
Would you like tea or coffee?
外面下雨，我们还是别出去了。外面下雨，我們還是別出去了。Wàimiàn (fourth tone, falling) xià (fourth tone, falling) yǔ, (third tone, dipping) wǒmen (third tone, dipping) háishi (second tone, rising) bié (second tone, rising) chūqu (first tone, high and level) le. (neutral tone)···
It’s raining outside — we’d better not go out after all.

Not quite我想喝茶还是咖啡。
Correct我想喝茶或者咖啡。
还是 belongs in questions, where it offers the listener a choice. In a statement, where you are the one choosing, "or" is 或者.