Examples of using "はっきりとは知らないんだ。" in a sentence and their english translations:
- I don't know for certain.
- I do not know exactly.
- I don't really know.
- I don't know for sure.
- I don't know exactly.
- I'm sure I don't know.
- I do not know exactly.
- I don't really know.
- I don't know exactly.
- I don't know for certain.
- I don't know for sure.
- I'm not sure.
- I am not sure.
- I don't know exactly.