past master
noun [ C ] uk/ˌpɑːst ˈmɑː.stər/ us/ˌpæst ˈmæs.tɚ/
行家，能手，老手
a person who is very skilled in a particular activity
Joe is a past master at getting invitations to parties. 乔对弄到宴会请柬很有一手。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。