It was achieved with minimum fuss and maximum efficiency.

　　它以最少的慌亂和最高的效率被做到了。

　　Defrost the fridge regularly so that it works at maximum efficiency.

　　定期給冰箱除霜能取得最大效率。

　　Our administrator is a paragon of neatness, efficiency, and reliability.

　　我們的.管理者是整潔、高效、真實可信的杰出典范。