How can a dog handle such a heavy responsibility?

导盲犬是怎么能处理这些重大责任的？

Each of us here today shares that heavy responsibility.

今天在座的各位都肩负这一重要的责任。

Each of us here today shares that heavy responsibility.

今天在座的每一位都肩负着这一重要责任。

Firmly stood, but also contains a heavy responsibility.

稳固地站着，也包含着沉甸甸的责任。

And you don't have to take the sometimes heavy responsibility.

而且你不必承担可能很重大的责任。