/ˈhɔ:lmɑ:k ||; ˈhɔlˌmɑrk/noun[C] 1 a characteristic that is typical of sb 标志；特征: The ability to motivate students is the hallmark of a good teacher. 好老师的特点就是能激发学生的积极性。
2 a mark that is put on objects made of valuable metals, giving information about the quality of the metal and when and where the object was made （金银制品上打的）纯度印记