How to say in Czech: That was stupid of me.

English
That was stupid of
Czech
To bylo ode mě hloupé.
I am trying not to be stupid.
You are such a stupid boy!
Do not do anything stupid!
I find this whole discussion really stupid.
That’s a stupid question.
Excuse me.
Do you understand me?
That was not very polite of me.
That was very impolite of me.
That was very kind of me.

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