careful
参考例句：
Cross the t’s and dot the i’s留心细处
The sheep always say they are careful, the cheapskate always say they are scanty.胆小鬼往往自称心细，吝啬鬼往往自称节省。
You can often pick up useful tips if you keep your ears open.如果你留心细听，常常能获得一些有用的消息。
careful是什么意思：
adj. 小心的，仔细的，周密的`，谨慎的；节约的
Have you heard the CARE？你听说过美国援外汇款合作组织吗？
not care a hoot毫不在乎
Be careful of the instruments.别损坏仪器。
Take care of the pence and the pounds will take care of themselves金钱积少自然成多。
Few know and few care.很少有人知道，也很少有人关心。
