渔船船长的祖母因此担忧致死。
The grandmother of the fishing boat captain therefore the misgiving cause death.
渔船船长的情况怎么样？
日方应立即放回中国渔船船长，避免进一步伤及中日关系。
The Japanese side should let the Chinese captain return immediately so as to refrain from further damage to bilateral relations.
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