hallmark

1. N-COUNT The hallmark of something or someone is their most typical quality or feature. 標志; 特征

It's a technique that has become the hallmark of Amber Films. 這是一項已成爲安伯電影公司標志的技術。

2. N-COUNT A hallmark is an official mark put on things made of gold, silver, or platinum that indicates the quality of the metal, where the object was made, and who made it. (金銀等制品上的) 標記

Early pieces of Scottish silver carry the hallmarks of individual silversmiths. 早期的囌格蘭銀器上都有各個銀匠的標記。