entries → 筆友
TSUMUGU · TOCFL 5 (est.) · 詞
筆友 word · TOCFL 5 (est.)
筆友 ＝ 筆 ＋ 友
ㄅㄧˇ ㄧㄡˇ · bǐyǒu
noun — a pen pal

字源 FORM — what the parts do

筆a writing brush, pen (鉛筆)bǐ
友a friend (朋友)yǒu
筆友，鉛筆的筆，朋友的友。

故事 STORY — a scene to remember it by

沒見過面，靠一支筆（筆）寫成了朋友（友）。
Never met face to face — a pen (筆) alone makes the friend (友).
記憶法
關 · Related
朋友péngyǒuthe same 友 — friendship in general網友wǎngyǒuthe same 友, met over the net instead of by letter