Too often the significant episode deteriorates into sententious conversation.是什么意思？

Too often the significant episode deteriorates into sententious conversation.

太多的时候,重要的插话演变成了一种说教式的对话.

too

adv. 也，太，很，非常；

例句
The steep pavement was too narrow for them to walk abreast.
陡坡太窄，他们没法并排走。

often

adv. 常常，经常，时常，再三；

例句
Genetic abnormalities are more often associated with faults in paternal DNA than in maternal DNA.
相对于母本DNA,基因畸变往往更多地与父本DNA上的缺陷相关。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

significant

adj. 重要的，显著的，有重大意义的，意味深长的；

例句
You can look forward to a significant cash return by saving from as little as £10 a month...
只要每个月存下区区10英镑，你就有希望得到相当可观的现金收益。

episode

n. 插曲，片段，一集，一段经历；

例句
Oh, the whole episode was entirely his fault.
天啊，整件事完全是他的错。

deteriorates

v. 恶化，变坏( deteriorate的第三人称单数 )；

例句
Too often the significant episode deteriorates into sententious conversation.
太多的时候,重要的插话演变成了一种说教式的对话.

into

prep. （表示方向）进入…中，（表示所属）输入，（表示状态）进入…状态，（表示时间）持续到；

例句
By 1838, the abolitionists had shamed parliament into ending slavery in British colonies...
到1838年，废奴主义者迫使议会出于道德压力而废除了英国殖民地的奴隶制。

sententious

adj. 说教的，卖弄文采的，咬文嚼字的，爱用格言[警句]的；

例句
Generally his ideas were expressed in sententious phrase, spoken in low voice .
他发表意见总是用柔和的声音，简短的句子。

conversation

n. 交谈，会话，交往，交际，会谈，（人与计算机的）人机对话；

例句
She was seen in animated conversation with the singer Yuri Marusin...
有人看见她与歌手尤里·马鲁辛交谈甚欢。