Found 8 phrases starting with ZI:

zig when one should zag	To misstep or err.	Rate it:
zip down	To unzip	Rate it:
zip it	Be quiet; the same as zip one's lip.	Rate it:
zip one's lip	To stop talking; to be quiet.	Rate it:
zip up	To close with a zip fastener.	Rate it:
zip up	To close as if with a zip fastener.	Rate it:
zip up	To convert a computer file into a smaller package.	Rate it:
zip your lip	Be quiet.	Rate it:

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A dog

B cow

C pig

D horse