1. overturn

1. Some high-ranking officers plotted to overturn the government.
    有几名高级军官策划推翻政府。

2. She overturned the bottle.
    她把瓶子打翻了。

3. The boat overturned.
    船翻了。

1. The boat overturned.
    船翻了。

1. 倒转：砂岩中的沉积构造如层理、平行纹理、波痕、粒级层、火焰状构造、底痕等皆保存完好,并可藉此判断此砂岩块有地层倒转(overturn)的现象. 台湾台东富冈小野柳风景区 包夹在利吉混同层中的巨大外来砂岩块.

2. 倾覆(挡土墙倒转：overtopping 越堤;漫顶;满溢 | overturn 倾覆(挡土墙倒转 | overturning moment 倾覆力矩;倾覆弯矩

1. （使）翻转；（使）倾覆；（使）倒下
    If something overturns or if you overturn it, it turns upside down or on its side.

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    e.g. The lorry veered out of control, overturned and smashed into a wall...
           卡车突然失控，翻倒撞上了一堵墙。
    e.g. Alex jumped up so violently that he overturned his glass of sherry...
           亚历克斯一下子暴跳起来，结果把他那杯雪利酒都打翻了。

2. 推翻，撤销（判决）
    If someone in authority overturns a legal decision, they officially decide that that decision is incorrect or not valid.

    e.g. When the Russian parliament overturned his decision, he backed down...
           俄罗斯议会推翻了他的决定，他只好作罢。
    e.g. His nine-month sentence was overturned by Appeal Court judge Lord Justice Watkins.
           上诉法院法官沃特金斯撤销了对他作出的9个月徒刑的判决。

3. 颠覆，破坏（政府或体系）
    To overturn a government or system means to remove it or destroy it.

    e.g. He accused his opponents of wanting to overturn the government.
           他指责反对派企图颠覆政府。
    e.g. ...a society where all the old values had been overturned.
           摒弃了所有旧价值观的社会

1. an improbable and unexpected victory

    e.g. the biggest upset since David beat Goliath

    Synonym: upset

2. the act of upsetting something

    e.g. he was badly bruised by the upset of his sled at a high speed

    Synonym: upsetturnover

1. change radically

    e.g. E-mail revolutionized communication in academe

    Synonym: revolutionizerevolutionise

2. rule against

    e.g. The Republicans were overruled when the House voted on the bill

    Synonym: overruleoverrideoverthrowreverse

3. cancel officially

    e.g. He revoked the ban on smoking
           lift an embargo
           vacate a death sentence

    Synonym: revokeannulliftcountermandreverserepealrescindvacate

4. turn from an upright or normal position

    e.g. The big vase overturned
           The canoe tumped over

    Synonym: turn overtip overtump over

5. cause to overturn from an upright or normal position

    e.g. The cat knocked over the flower vase
           the clumsy customer turned over the vase
           he tumped over his beer

    Synonym: tip overturn overupsetknock overbowl overtump over

6. cause the downfall of
    of rulers

    e.g. The Czar was overthrown
           subvert the ruling class

    Synonym: overthrowsubvertbring down