"用纹章装饰"可以翻译为 "decorate with heraldry" 或 "embellish with heraldic designs" 。其中，“heraldry”指“纹章学；纹章”， “heraldic designs”即“纹章图案” 。
例句：
The castle walls were decorated with heraldry, showcasing the family's noble lineage.（城堡的墙壁用纹章装饰，彰显着这个家族的高贵血统。）
The ceremonial robe was embellished with heraldic designs, making it look extremely magnificent.（那件仪式长袍用纹章图案装饰，显得极其华丽。）