entries → 相信
TSUMUGU · TOCFL 3 (est.) · 詞
相信 word · TOCFL 3 (est.)
相信 ＝ 相 ＋ 信
ㄒㄧㄤ ㄒㄧㄣˋ · xiāngxìn
verb — to believe; to trust; to have faith in

字源 FORM — what the parts do

相mutually; each other (相互的相)xiāngreads xiāng here (mutual); xiàng means 'appearance; toward; to face'
信to trust; reliable (信任的信)xìn
相信，相互的相，信任的信。
關 · Related
信任xìnrènto trust (someone) — 任 adds the sense of entrusting responsibility懷疑huáiyíto doubt; to suspect — direct contrast