He had to face up to his own inadequacies as a father.

他不得不正视自身作为父亲的不足。

He was not man enough to face up to his responsibility.

他没有足够的勇气去承担责任。

She had to face up to the fact that she would never walk again.

她必须敢于面对现实：她再也不能走路了。

I have grown up now and I have to face up to my responsibilities.

我现在已经长大了，所以必须要正视自己的责任。

We had to face up to the harsh realities of life sooner or later.

我们迟早都得正视生活的严酷现实。