你不敢吃我 What's the meaning of this?
This 吃 means to take.

Example 1: Chess game 西洋棋


  你吃我的騎士，我就吃你的王后。
  If you take (attack) my knight, I will take (attack) your queen.


Example 2: Go game 圍棋


  諒你不敢你吃我那一子，否則我就吃你整片地。
  I dare you to take (capture) that stone, otherwise I will take (capture) your whole piece of stones.


Example 3: Business competition 商業競爭


  你應該不敢吃下我的公司，不然我會讓你吃官司，讓你破產。
  You should not dare to take (occupy) my company, or I will sue you and make you bankrupt.


Example 4: underworld 黑道


  黑吃黑
  double cross; stealing from thieves; dog eats dog


Therefore, we can treat 我 in 你不敢吃我 as a pronoun.
It means my stuff, 我的某樣東西.
The real object of this sentence is the stuff, 某樣東西.

Check your context, and you should be able to find the real object, which is not 我 (me).

You dare not take my stuff.



Another possibility is to bully, 欺壓 or 欺負.

你不敢吃我。
你不敢欺負我。
I dare you to bully me.