He mixes up words, so his letter is full of blunders.

I am not responsible to you for my blunder.

A-ha-ha-ha! What a blunder!

You should leave me cool; otherwise, I will say a possible blunder.

Tuesday evening!" I exclaimed. "And this is Thursday morning. Why didn't you go down yesterday?" "Because I made a blunder, my dear Watson--which is, I am afraid, a more common occurrence than any one would think who only knew me through your memoirs."

He was guilty of a blunder.

She's guilty of a grave blunder.

He pleaded for me when I made a blunder.

The blundering fool!" Holmes said, bitterly, as we drove back to our lodgings. "Just to think of his having such an incomparable bit of good luck, and not taking advantage of it."

You should leave me cool; otherwise, I will say a possible blunder!