entries → 宣誓
TSUMUGU · TOCFL C1 (est.) · 詞
宣誓 word · TOCFL C1 (est.)
宣誓 ＝ 宣 ＋ 誓
ㄒㄩㄢ ㄕˋ · xuānshì
verb — to take an oath, to swear (an oath of office, loyalty)

字源 FORM — what the parts do

宣to proclaim aloud (宣布)xuān
誓an oath, a vow (誓言)shì
宣誓，宣布的宣，發誓的誓。

故事 STORY — a scene to remember it by

舉起右手，當眾把誓言唸出來。
Right hand raised, the oath (誓) is proclaimed (宣) aloud before everyone.
記憶法
關 · Related
宣示xuānshìthe same sound and same 宣, but a stance declared rather than an oath sworn發誓fāshìthe same 誓 — to swear, in plainer everyday use