Shiftiest
a. 變化的；詭詐的；機智的 (shifty的變形)
??? 情景例句
What makes you feel good?
什么使你感到高興？
Many new ideas are discovered during college years.
大部分嶄新的觀念都產生于大學時代。
These days, it is differences in national regulations, far more than tariffs, that put sand in the wheels of trade between rich countries.
當前，是各國管理條例上的差異，而不是關稅阻礙了發達國家之間的貿易。