长草的燕窝
in the vein of 相当于 in the manner of ；跟人体没有毛关系。因此，原话的意思仅仅是：完全是在帮你妹妹解决问题，（除此之外没有其它用心）。
伊月寒水20
strictly in the vein of ...是严格意于She helps her mother when she is in the vein.她在心情好的时候会帮她妈妈的忙。The girl is not in the vein for singing today.那女孩今天没有心情唱歌。The boy is not in the vein for study today.这男孩今天不想读书。I am not in the vein for work [for studying].我现在没有心情工作 [读书] 。Your blood pressure (ie force of the blood in the veins and arteries) is too high.你的血压过高。
