《旧五代史·后晋·列传四》
这一天，张彦泽派兵看守他，十八日夜晚，被张彦泽杀害，当时年仅四十九岁。
是日，彦泽遣兵守之，十八日夜，为彦泽所害，时年四十九。
On the 18th night that day, Zhang Yanze sent troops to guard him, and he was killed by Zhang Yanze at that time at the age of 49.
<s>[INST] Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 是日，彦泽遣兵守之，十八日夜，为彦泽所害，时年四十九。 Updated: 这一天，张彦泽派兵看守他，十八日夜晚，被张彦泽杀害，当时年仅四十九岁。 [/INST] On the 18th night that day, Zhang Yanze sent troops to guard him, and he was killed by Zhang Yanze at that time at the age of 49.</s>
Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 是日，彦泽遣兵守之，十八日夜，为彦泽所害，时年四十九。 Updated: 这一天，张彦泽派兵看守他，十八日夜晚，被张彦泽杀害，当时年仅四十九岁。
user
On the 18th night that day, Zhang Yanze sent troops to guard him, and he was killed by Zhang Yanze at that time at the age of 49.
assistant