自有道理

zìyǒudàolǐ

to have a plan or strategy already worked out in one's head

Wiktionary

Entry Composition

1 自有 zìyǒu
  1. (I, they etc) of course have (a plan, a way etc)
  2. one's own (apartment, brand etc)
=2 道理 dàoli
  1. reason
  2. argument
  3. sense
  4. principle
  5. basis
  6. justification

classifier: 個
=2 道理 dàolǐ
  1. principle; rule; truth; philosophy
  2. reason; argument; sense; logic
  3. way; plan