保證書 (bou2 zing3 syu1) — a letter of guarantee, a recognizance in Cantonese
bouˊ²保zing˗₃證syuˉ¹書简 保证书
Mandarin Pinyin: bao3 zheng4 shu1
Meaning of 保證書
nouna letter of guarantee, a recognizance
nouna letter of guarantee; warranty card
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