TSUMUGU · TOCFL 4 (est.) · 詞
保證
ㄅㄠˇ ㄓㄥˋ · bǎozhèng
verb/noun — to guarantee; to ensure; guarantee
字源 FORM — what the parts do
保to protect; to guarantee (保護的保)bǎo亻 (person) + 子 (child) — a person with a child on the back; the body's promise to keep safe
證proof; to certify, verify (證明的證)zhèng言 (words/speech) at the left provides the meaning — spoken testimony that stands; evidence
保證，保護的保，證明的證。
故事 STORY — a scene to remember it by
人（保：亻）背著子（孩）——身體護著；言（證：言）說出來撐著——身體和話語一起擔保，叫保證。
A person (亻 in 保) with a child on the back (子) — the body sheltering; words (言 in 證) spoken and standing — body and voice both backing it. That is a guarantee.
字源記憶法