to avoid bringing up a problem that will cause trouble
避免提出会引起麻烦的问题 (bimian tichu hui yinqi mafan de wenti)
"It is better to let sleeping dogs lie."
"最好让睡着的狗保持安静。" (zuihao rang shuizhao de gou baochi anjing)
someone who learns new things very fast
to stay calm and wait patiently
don’t worry about minor or unimportant things
to succeed in understanding something difficult or strange
an expression used to admit one's own fault
to think or behave in a unique or unconventional way