siquiera

No me dijo ni siquiera gracias.

He did not even say thank you to me.

Ni siquiera llegó a la mitad del camino.

She did not even get halfway.

¿Podrías siquiera intentarlo?

Could you at least try?

Si siquiera me hubiera avisado, habría ido contigo.

If he had even warned me, I would have gone with you.

No tengo ni siquiera un poco de dinero conmigo.

I do not have even a bit of money on me.

No tengo ni siquiera un poco de agua.

I do not even have a little water.