to stop communicating with someone
与某人失去联系 (yu mouren shiqu lianxi)
"We lost touch after college."
"我们大学毕业后失去了联系。" (women daxue biyue hou shiqu le lianxi)
very content and comfortable
to officially charge someone with a crime
to request something
to discuss and think creatively to generate new ideas
to improve by learning from past failures
to stay in a place for a short time longer