得知

Verb

 * 1) to know of; to learn of; to hear about; to find out; to be informed about
 * 2)  how would [someone] know
 * 3)  to notice; to perceive; to detect
 * 4)  to care for; to cherish; to be considerate towards someone
 * 1)  to care for; to cherish; to be considerate towards someone
 * 1)  to care for; to cherish; to be considerate towards someone
 * 1)  to care for; to cherish; to be considerate towards someone

Adverb

 * 1)  I don't know; I wonder if