[古语、书面语]\nvt.\n担保，保证，对…负责：\nHe offered to avouch his innocence with his sword.\n他表示愿以剑来保证他是无辜的。\n宣布…为真实的；断言；肯定地说，有根据地说；确证；主张：\nMillions were ready to avouch the exact contrary.\n亿万人愿断言事实恰恰相反。\n(公开)承认，自认；供认：\nto avouch one’s guilt\n供认自己有罪，认罪\nvi.\n做出保证(for):\n做出保证(for):\nI'll avouch for that girl;she has promised to be good.\n我愿为那女孩担保；她已答应要改好。\n近义词:\nassert

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