1 dishonest or illegal -- 不老實的;不正當的;非法的
They know some very shady characters. 他們認識一些行爲非常可疑的人物。
He was involved in shady deals in the past. 過去他參與了一些不可告人的勾當。
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
再长的路,一步步也能走完,再短的路,不迈开双脚也无法到达。