na.1.对…恪守孝道
She knew how worthy Pendennis was,how good he had been to his mother,and constant in his care of her.
她知道,潘登尼斯是一个高尚的人,平时对他的母亲恪守孝道,从未一日懈怠过.
2.小心,费心思,小心谨慎,小心翼翼地 留神
v.1.留心;当心