to solve a complex problem or mystery
解决一个复杂的问题或谜题 (jiejue yige fuzade wenti huo miti)
"It took hours, but we finally cracked the code of the system error."
"花了好几个小时，但我们终于破解了系统错误的代码。" (huale hao ji ge xiaoshi dan women zhongyu po jie le xitong cuowu de daima)
To be very close friends who share secrets.
to avoid someone or something
to help someone
good times follow bad times
a mysterious or unexplained force in a system or person
to repeat a mistake despite knowing it’s wrong
