Definition: to be someone's responsibility or decision Level: C2
我已经做了所有我能做的，剩下的就靠你了。
I've done all I can now, the rest ___is ___down ___to you.
防止无家可归是我们的责任。
It ___is ___down ___to us to prevent homelessness.
最终决定由董事会负责。
The final decision ___is ___down ___to the board of directors.
