融资租赁业务好做吗:请教hold one's arm 是什么意思啊？

请教hold one's arm 是什么意思啊？ hold one's nose如何翻译？ hold ceremony in one's honor hold one's nose in the air 什么意思? at arm's length如何翻译？ En: arm's length是什么意思？ what's one and one? "an arm's length transaction"是什么意思? drop one's course make one's blood