松口

to let go of sth held in one's mouth / (fig.) to relent / to yield

surname Song

pine / CL:棵[ke1]

loose / to loosen / to relax / floss (dry, fluffy food product made from shredded, seasoned meat or fish, used as a topping or filling)

mouth / classifier for things with mouths (people, domestic animals, cannons, wells etc) / classifier for bites or mouthfuls

matsutake (Tricholoma matsutake), edible mushroom considered a great delicacy in Japan