yī / shēng / yòng / liǔ / yè / dāo / zài / huàn / zhě / de / pí / fū / shàng / zuò / le / yí / gè / xiǎo / qiē / kǒu医生用柳叶刀在患者的皮肤上做了一个小切口。The doctor used a lancet to make a small incision in the patient's skin.