FAQs About the word nail down

确定

succeed in obtaining a position, define clearly, make final; put the last touches on; put into final form

保证,决定,证明,决定,确保,建立,保险,证明,安全,演出

困惑,泥泞的,混乱,令人不安的

nail => 钉子, naiki => 骑乘, naik => 上升, naif => 幼稚的, naid => 颤蚓,