Explanation: Full mouth is usually used when sentences are not fluent or fluent, indicating embarrassment and fluency.

Sentence: 1. This sentence is awkward to read and not easy to understand at all.

Up to now, my wife's surname makes me feel very uncomfortable. Obviously, the only choice is to keep my last name.

This is due to the following reasons: some original quotations are awkward, some do not conform to people's expected language style, and some have been changed for propaganda reasons.

This sentence is too long to pronounce.

They are also difficult to understand and read.