Because the two Chen Yi-chuns are of different heights, one being 170 centimeters tall and the other 160, their classmates distinguish them by calling them "Big Yi-chun" and "Little Yi-chun."
兩位陳怡君由於彼此的身高有差異，一位 170 公分，一位 160 公分，因此同學遂以「大怡君」及「小怡君」來區隔。