wonder if (something)
1. To speculate about some possible situation, occurrence, or outcome. Sometimes used informally as a bare infinitive without a subject. She wondered if Tom would be all right after their breakup. I was left wondering if I had done all that I could have. Wow, that cake was delicious! Wonder if there's any more.
2. Used to form a polite request for something. I wonder if I could trouble you for a pen and some paper. I would like to write a letter to my family back home. A: "Good evening, sir. You rang the call bell?" B: "Yes. I was wondering if you would mind carrying these bags up to our room for us."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
(I) wonder if
a phrase introducing a hypothesis. Henry: I wonder if I could have another piece of cake. Sue: Sure. Help yourself. Andy: Wonder if it's stopped raining yet. Rachel: Why don't you look out the window? Andy: I wonder if I'll pass algebra. Father: That thought is on all our minds.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.