0 a skill or an ability to do something easily and well -- 技能;本领;技巧
a knack for remembering faces 记人脸的本领
She has the knack of making people feel comfortable. 她有让人如沐春风的本事。
There's a knack to using this corkscrew. 用这个瓶塞钻有个诀窍。
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。