When I arrived at Baker Street I found him huddled up in his armchair with updrawn knees, his pipe in his mouth and his brow furrowed with thought.

当我到达贝克街时， 我发现他蜷缩在扶手椅上， 膝盖向上弯曲， 嘴里叼着烟斗， 眉头紧锁地想着。