To start discussing the essential or most important aspects of a matter.
开始讨论事情的基本或最重要的方面。 (kaishi taolun shiqing de jiben huo zui zhongyao de fangmian)
"Let’s get down to brass tacks and talk about the real issues."
"让我们进入正题，谈谈真正的问题。" (rang women jinru zhenti tantan zhenzheng de wenti)
to fail to do what one promised
very close and intimate friends
Used to show you understand or accept someone’s point
the most ethical or moral action to take
to be extremely surprised or shocked
to be an example that others should imitate
