The speaker might say I really put my foot in my mouth this time. If this should happen, the speaker might feel down in the mouth. In other words, he might feel sad for saying the wrong thing.这个发言者可能会说:"这次我真的说错话了".如果发生这种情况,这个发言者可能会感到沮丧.换句话说,他可能会为说错话觉得悲伤.
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another situation is when someone force a claim another person say something, the other person might protest I did not say that, do not put words in my mouth