to become knowledgeable or skilled in something by doing it, studying, or being taught

学习, 掌握
a bright flash, caused by electricity, in the sky or one that hits the ground from within the clouds

闪电, 雷电
(plural) necessary things, such as food, medicines, clothes, etc. for a group of people

供应品, 物资
to stop being angry or blaming someone for what they have done, and to choose not to punish them for their mistakes or flaws

原谅, 宽恕
annoyed or disgusted by someone or something one has been dealing with for a long time
jobs or things that are different in type and small either in size, number, or significance
to be patient in order to find out about the outcome, answer, or future happenings
a state of society where laws are followed, and public safety is maintained
