Once the word was out and all attempts at negotiations failed, the humans launched the first attack to try and drive this race away from their planet.

曾经谈话发表并且所有谈判努力失败，人类第一次发起攻击来尝试和驱赶这种族远离他们的行星。

youdao

This attack having failed, another, less direct, was made a few years later by the authorities of the University of Leyden, which forbade all mention of him, whether favourable or unfavourable.

这回攻击既然失败，不几年后来顿大学当局又发起另一次不那么直接的攻击，它不问褒贬一律禁止提笛卡尔。

youdao

Mr Avanesov tried to hamper this investigation using a web-based attack on the police but the attempt to regain control of Bredolab failed.

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