not all there的用法和样例：
- He's a rather stupid person.; He's not all there.
- Don't care about him, he is not all there!
- He's a rather stupid person. or He's not all there.
- He spoke as if half asleep or drugged, somehow not all there.
- Joe acted queerly and talked wildly, so we thought he was not all there.
- Mrs Green is not all there, but her family refuses to have her committed to an institution.