“You could have told anyone, up and down on the street.”
你本可以告訴街上任何一個人。
一句責備裡藏著最鋒利的追問:當時明明有那麼多條路。
You could have done something.
事後指出對方本可以怎麼做時用;對上級或長輩說會顯得冒犯。
You could have said something. / You had every chance to speak up.
口語
could have 輕快帶過,told anyone 連讀,句尾放平。
You could have warned me before I signed it. 簽字之前你本可以提醒我一下。