ㄊㄧˊㄍㄤㄑㄧㄝˋㄌㄧㄥˇtígāng‑qièlǐng

提纲挈领
  1. 抓住漁網提起衣服領子衣領)​。比喻掌握事理要點扼要問題 讀書懂得提綱挈領才能事半功倍」。

to concentrate on the main points (idiom)​; to bring out the essentials