跟學時髦英語:"封殺"英語怎麼說?

今天我們來看一看“封殺”用英語怎麼說？

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This actor was shunned by the media after the scandal.
這個演員因爲醜聞被媒體封殺了

This building is due to be completed in July.
這棟樓計劃七月封頂。