学会

learn; master; know; pick up; acquire knowledge or skill; school; academic society; learned society; association; academy; institute; society; college; Soc.

忘记

forget; put aside; blank out; lose sight of; slip out of one's mind; push out of your mind; forgetful

懂得

understand; comprehend; grasp; know; realize; appreciate; perceive; discern; twig; ken; catch on; understandable; aware; conscious; sensible

放弃

give up; abandon; quit; resign; set aside; relinquish; forsake; surrender; waive; cede; discard; renounce; desist; forgo; disclaim; abdicate; abjure; jettison; abandonment; renunciation; relinquishment; giving up; waiver; abnegation; abandoned; relinquished; forsaken; given up; renounced