"Grind" is a common Chinese character with many different meanings and uses in modern Chinese. Depending on the context, its pronunciation may also vary. Here are some common pronunciations and meanings:

"Grind" is pronounced "mó", which means to grind an object into fine particles with an abrasive tool, or to polish the surface of an object with an abrasive tool. Examples include "grinding tofu" and "sharpening knives".

"Grind" is pronounced "mò", meaning to make a person or object smoother and softer after a long period of friction and grinding. For example, "to rub together" or "to sharpen".

The word "grind" is pronounced "mā" or "má," as in "grind one's teeth, "grinding teeth", referring to the friction and wear between teeth when chewing food.

In the ancient Chinese language, "磨" also means "to push, to ponder", such as "to grind a sentence", "to ponder the reasoning "

In short, the Chinese character "磨" may have different pronunciations and meanings in different contexts. In modern Chinese, the most common pronunciation of "磨" is "mó", which means to grind an object with an abrasive tool into fine particles or to polish the surface of an object. If you need to express other meanings, you need to choose the appropriate pronunciation and explanation according to the context.