hereby
adverb law formal or specialized uk/ˌhɪəˈbaɪ/ us/ˌhɪrˈbaɪ/
以此，特此
with these words or with this action
I hereby pronounce you man and wife. 我特此宣布你们结为夫妻。
Compare: thereby herewith
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。