1. 脆弱的：insubordination 不顺从 | insubstantial 脆弱的 | insufferable 难以忍受的

2. insubstantial的反义词

2. 非实质的：insubordinately 不顺从地 | insubstantial 非实质的 | insuccationsoakage 浸渍

3. insubstantial在线翻译

3. 无实体的：insubstantial 无实体的 | insuccation 浸渍 | insuccession 顺次

4. 虚体：Eternal Seeker 永恒探求者 | insubstantial 虚体 | phasing 相位

1. 不大的;不坚固的;脆弱的
    Something that is insubstantial is not large, solid, or strong.

    e.g. Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide...
           火星的大气层极其稀薄,几乎全部由二氧化碳构成。
    e.g. Her limbs were insubstantial, almost transparent.
           她的四肢非常纤细,几乎是透明的。

1. lacking material form or substance
    unreal

    e.g. as insubstantial as a dream
           an insubstantial mirage on the horizon

    Synonym: unsubstantialunreal

2. lacking in nutritive value

    e.g. the jejune diets of the very poor

    Synonym: jejune