Da bin ich mir nicht sicher.
[dah bin ikh meer nikht ZIKH-er]
I am not sure about that.
Literal gloss:“There am I myself (dat.) not sure.”
When to use:Safe across both Sie and du settings because no personal pronoun restricts it.
Word-by-Word Structure
| German | Meaning | Grammar Note |
|---|---|---|
| Da | about that (pronoun adverb) | — |
| bin ich | inversion after "Da" in position 1 | — |
| mir | to myself (dative reflexive) | — |
Example Sentences in Context
Polite uncertainty
Kommt der Zug wirklich um 15 Uhr? — Hm, da bin ich mir nicht ganz sicher.
Does the train really arrive at 3 p.m.? — Hm, I am not completely sure about that.
Follow-up
Ich schaue lieber noch einmal nach.
I’d better double-check.