chú yú
kitchen waste
food waste (recycling)
chú yì
cooking skills
culinary talent
chú gōng
kitchen helper
assistant cook
jūn zǐ yuàn páo chú
lit. a nobleman stays clear of the kitchen (idiom, from Mencius)
fig. a nobleman who has seen a living animal cannot bear to see it die, hence he keeps away from the kitchen
xià chú
to go to the kitchen (to prepare a meal)
to cook