可依赖的的英文：
responsible

When it comes to the crunch, he is the only one to be relied on.
关键时刻到来时，他是唯一可依赖的人。

the shift of responsiBility
推托责任

Allocation of responsibilities
责任分派

a responsive smile
表示回答的微笑

a responsive glance
带有回答意义的一瞥

The responsibility for the accident was assumed by me.
事故责任由我承担。