Instagram 在

zài (located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)

哪

nǎ how; which

na (particle equivalent to 啊 after noun ending in -n)

něi which? (interrogative, followed by classifier or numeral-classifier)

买

mǎi to buy; to purchase

粉丝

fěn sī bean vermicelli; mung bean starch noodles; Chinese vermicelli; cellophane noodles; CL:把[ba3]; fan (loanword); enthusiast for sb or sth

,HVk