拉比约西 论骑马骑驴:马以前腿承重,驴以后腿承重,衣裳压在那一头才不洁——可见相助之力算不得数。拉夫阿施 又举祭司一脚踏器一脚踏地一条为凭。
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——正如我们在一条密释纳里学过的,拉比约西 说:漏症者 骑在牲畜上、底下压着一件衣裳,他若骑的是马,那衣裳是借马的前腿而成为不洁的。
as we learned in a mishna, Rabbi Yosei says: If a zav was riding on an animal, and there was a garment beneath it, if he was riding the horse, he renders the garment impure by means of the horse’s front legs.
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惟有那样才算不洁;衣裳若压在马的后腿底下,便不算。
Only then is it impure; if it was beneath the horse’s hind legs it is not.
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他若骑的是驴,那衣裳便是借驴的后腿而成为不洁的。
And if he was riding the donkey, he renders the garment impure by means of the donkey’s hind legs.
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惟有那样才算不洁;衣裳若压在驴的前腿底下,便不算。
Only then is it impure; if it was beneath the donkey’s front legs it is not.
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所以这样分别,是因为马多以前腿承重,驴多以后腿承重。
The reason for this distinction is that a horse rests primarily on its front legs, and a donkey rests primarily on its hind legs.
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但压在马的后腿或驴的前腿底下的衣裳,何以仍算作洁的呢?
But why should a garment beneath the hind legs of a horse or the front legs of a donkey remain ritually pure?
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那几条腿岂不是彼此相助么?
Don’t the legs assist each other?
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岂不正是因为我们说「相助之力是算不得数的」么?
Is the reason not because we say that one who assists is insubstantial?
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拉夫阿施 说:论这条 哈拉哈,我们在另一条密释纳里也学过可为凭据的。
Rav Ashi said: We, too, also learned support for this halakha in a different mishna.
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拉比以利以谢 说:祭司站在殿里供职,一只脚踏在器皿上、一只脚踏在地上,或一只脚踏在石头上、一只脚踏在地上;我们且看:那器皿或那石头若挪开了,他还能不能单用一只脚站在地上。
Rabbi Eliezer says: With regard to a priest that stood in the Temple, and one of his feet was on a vessel, and one of his feet was on the floor, or one of his feet was on a stone, and one of his feet was on the floor, while performing priestly Temple rites; we see, if the vessel was removed or the stone was removed, whether he would still be capable of standing on one foot on the ground.
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若还能,他所供的职便有效。
If so, his service is valid.
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他若单用一只脚站不住,所供的职便无效。
And if he could not stand on one foot, his service is invalid.
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所疑的是:他算不算是站在地上的——若算,那供职便有效;若不算,那供职便无效?
Is he considered to be standing on the floor, in which case the service is valid, or is he not considered to be standing on the floor, in which case the service is invalid?