not expressed or done in a direct way 间接的；不直截了当的；拐弯抹角的 an oblique reference/approach/comment 隐约提及；间接途径；婉转的评论
(of a line 线 sloping at an angle 斜的；倾斜的 - [usually before noun] (
geometry 几何 (of an angle 角 greater or less than 90° 斜角 The extension was built at an oblique angle to the house. 扩建部份跟原来的房子成斜角。
Word Originlate Middle English: from Latin obliquus.