na.1.對…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,潘登尼斯是一個高尚的人,平時對他的母親恪守孝道,從未一日懈怠過.
2.小心,費心思,小心謹慎,小心翼翼地 留神
v.1.留心;當心