- Fine.
随便 - Maybe his friend won't tell him the truth,
朋友也许不会告诉他真♥相♥ - but I'm also his doctor,
但我还是他的主治医生 - and his doctor is not going to lie to him.
医生是不会有所隐瞒的 - I know, but something came up,
我知道 但我遇到点急事 - an important surgery, and I couldn't.
有场重要手术要做 实在走不开 - I'm just sorry you couldn't be there for your mother.
我只是觉得很遗憾 你没能来陪你母亲