Meaning of わけにはいかない in Japanese

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Definition of わけにはいかない

わけにはいかない(wakenihaikanai) 【訳にはいかない ·わけには行かない ·訳には行かない】

(exp) impossible to do (although wants to)
もうこれ以上延ばすわけにはいかない。
I can't put it off any longer.

Of course there were several hundred boats moving around on the water but not just any old one would do.

人間にんげんは鋳型いがたに入れて作るつくるわけにはいかない。

A man cannot be made in a mold.

I can't put it off any longer.

The boss could not approve of what one of his men did.

Wait a second. Do you just think that all's well that ends well? That's not the way it is.

I cannot help laughing to hear such a story.

この世このよのことは、何もかもなにもかも知るしるというわけにはいかない。

We cannot know everything in the world.

I can't get this work done by anybody.

You cannot eat your cake and have it too.

You can't apply this rule to every case.