1."He was afraid that, from some obscure motive of propriety . . . she would bring Janet with her" (Arnold Bennett).
“他担心，出于某种模糊的礼节方面的动机…她会带珍妮特和她一起来”（阿诺德·贝内特）
2.Prompted by some obscure motive he would lure his victims into this room.
在某种模糊的动机的促使下，他把他的受害者们引诱到这间屋里。