Expressing Negation with 这/那也不X, 那/这也不Y

In Chinese, the structures 这/那也不X and 那/这也不Y are used to express negation in a way that emphasizes the inadequacy or unsuitability of multiple options. The phrases can be translated as "not X" or "not Y" respectively, highlighting that neither of the mentioned options is acceptable or appropriate.

1. Structure:
2. 这也不X: This means "this is also not X."
3. 那也不Y: This means "that is also not Y."

4. The two phrases can be combined to emphasize that neither option is suitable.

5. Usage:

6. The first part (这也不X or 那也不Y) introduces a negative statement about one option.
7. The second part (那也不Y or 这也不X) introduces a negative statement about another option.

8. This structure is often used to express frustration or confusion about a situation where all presented options are inadequate.

9. Examples:

10. 这也不吃，那也不喝，结果就是身体越来越差。
    (Not eating this, not drinking that, the result is that my health is getting worse.)
11. 那也不合适，这也不对，我真的不明白她到底想怎样。
    (That is not suitable, this is not right, I really don’t understand what she wants.)

In summary, the structures 这/那也不X and 那/这也不Y are effective ways to convey that multiple options are unsatisfactory, often reflecting a sense of frustration or confusion in the speaker.