If anything goes wrong, you will be held fully responsible for it/you have to bear the whole blame for it.

出了事得由你承担全部责任。

Preferred rather to take the whole blame himself than to allow it to He fall on the innocent.

他宁可自己承担全部责任而不愿让无辜的人受到连累。

He said he would take the whole blame.

他说他愿承担全部责任。