shameful是什么意思？

However,while talking is largely subconscious and rapid, writing is deliberate and slow, Over time,writers took advantage of this and started crafting long-winded sentences such as this one:The whole engagement lasted above 12 hours, till the gradual retreat of the Persians was changed into a disorderly flight, of which the shameful example was given by the principal leaders and……" No one talks like that casually — or should