1.

1. He was so drunk that he was quite incoherent.
    他喝得这样醉，说起话来语无伦次。

2. The old man became incoherent as the disease got worse.
    随着病情加重，老人变得语无伦次了。

1. 语无伦次：一、支离破碎 ( fragment ),脱序 ( disorganized ),怪异 ( bizarre ),不合逻辑 ( illogical ),杂乱无章的 ( chaotic )思考,以致说话时表现出答非所问 ( irrelevant ),你问东他讲西,或语无伦次( incoherent ),上句接不了下句,以及想什么就讲什么,

2. incoherent的近义词

2. 不相干的：incoherence 不相干性 | incoherent 不相干的 | incoherent radiation 不相干辐射

1. 语无伦次的;(言语)不连贯的,混乱的
    If someone is incoherent, they are talking in a confused and unclear way.

    e.g. As the evening progressed, he became increasingly incoherent...
           随着夜色加深,他说话越来越前言不搭后语了。
    e.g. The man was almost incoherent with fear...
           那个人吓得几乎语无伦次了。

2. 不连贯的;不一致的
    If you say that something such as a policy is incoherent, you are criticizing it because the different parts of it do not fit together properly.

\u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD

    e.g. ...an incoherent set of objectives.
           一组前后不一的目标

1. unable to express yourself clearly or fluently

    e.g. felt tongue-tied with embarrassment
           incoherent with grief

    Synonym: tongue-tied

2. (physics) of waves having no stable definite or stable phase relation

3. without logical or meaningful connection

    e.g. a turgid incoherent presentation