upon my word 说实在话 (upon) my word used to show that you are surprised about sth （表示惊奇）哎呀,咦 old-fashioned once upon a time used,especially at the beginning of stories,to mean ‘a long time in the past’ （用于故事的开头）从前,很久以前 on no account：not on any account not for any reason 决不；绝对不
