How to say "for" in Chinese?
&quot;The park is (for) playing&quot; = 這公園(是用於)遊樂(的)
or 這公園是遊樂(用的)

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&quot;The park is great (for) playing&quot; = 這公園是很適合(用於)遊樂(的)
or 這公園是很適合(於)遊樂(用的)

Other example:
&quot;Handgun is (for) killing people&quot; = &quot;手槍是(用於)殺人(的)&quot; or &quot;手槍是殺人(用的)&quot;
&quot;Handgun is good (for) killing people&quot; = &quot;手槍是很適合(用於)殺人(的)&quot; or &quot;手槍是很適合(於)殺人(用的)&quot;

用於 is a more literary term. The colloquial term is 用来