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侵入者， しんにゅうしゃ
1. intruder, invader, trespasser, raider
tbd
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によって， に因って， に依って
1. according to, by (means of), due to, because of
根据；用……(方法)；因为
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殺す， ころす
1. to kill, to slay, to murder, to slaughter
2. to suppress, to block, to hamper, to destroy (e.g. talent), to eliminate (e.g. an odour), to spoil (e.g. a flavour), to kill (e.g. one's speed)
3. to suppress (a voice, feelings, etc.), to hold back, to...
杀戮，屠戮，谋杀，屠杀；典当，抵押；压制、阻挠、妨碍、摧毁（如才华）、消除（如气味）、破坏（如风味）、扼杀（如速度）
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
