I want to translate "Using the knife on these types of surfaces will dull the knife." This I find to be difficult grammatically as well. However, I'm not sure how to say "dull" in Mandarin, and google doesn't provide much help.
Example of 钝 (adjective):
To translate your sentence, which is also an example of 使..变钝:
快 must be used in the same sentence as the noun (刀), otherwise it doesn't mean 'sharp'. 锋利 can be used standalone.
An example using all these words:
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