開始行動之前，一定要清楚目標是什麼。

Before taking action, make sure you are clear about what the goal is.

Source: Tatoeba

Sentence Composition

1 開始 kāishǐ
  1. to begin
  2. beginning
  3. to start
  4. initial

classifier: 個
2 行動 xíngdòng
  1. operation
  2. action
  3. to move about
  4. mobile

classifier: 個
3 之前 zhīqián
  1. before
  2. prior to
  3. ago
  4. previously
  5. beforehand
4 一定要 yīdìngyào must
5 清楚 qīngchu
  1. clear
  2. distinct
  3. to understand thoroughly
  4. to be clear about
6 目標 mùbiāo
  1. target
  2. goal
  3. objective

classifier: 個
=7 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=7 是 shì variant of 是 shì
8 什麼 shénme
  1. what?
  2. something; anything