She has made a grievous mistake.
她犯了一个极严重的错误。
Mr. Morris said the victims had suffered from a very grievous mistake.
莫里斯先生说受害者们为一个非常严重的失误而受苦。
Mr Morris said the victims had suffered from a very grievous mistake.
莫里斯先生说遇难者因为一个极其严重的失误而遭遇不幸。
Mr Morris said the victims had suffered from a very grievous mistake.
莫里斯先生说遇难者因为一个极其严重的失误而遭遇不幸。
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