1. I wonder if he sensed my reluctance to be seen with him during our walks. If he did, I am sorry I never told him how sorry I was, how unworthy I was, how I regretted it.
    不知他当时是否留意在我们同行时，我不愿意被人看到。若他确实注意到了, 那我真惭愧当时没能对他说我是多么对不起他，我是个多么不孝的儿子，