骑摩托车一定要小心，一定要带头盔。
You have to be careful with your motorcycle and always wear your helmet.
所以，当一家公司说它的产品是“最受欢迎的”时，一定要小心。
So be careful whenever a company says its product is "the most popular".
一定要特别小心不要把它们煮过火，要不然就变成糊糊了。
Be very careful not to overcook them or they will turn to mush.
我爬这棵树时一定要很小心吗？
但是一定要小心。
但是一定要小心对待这个特性。
不管出于任何理由利用债务时你一定要加倍小心。
You should always be careful when using debt for any reason.
以这种方式暴露敏感信息一定要小心。
Be careful about exposing potentially sensitive information in this way.
你一定要小心开车。
如果你计划到美国旅行，一定要非常小心。
If you're planning a trip to the United States, be very careful.
跟他人做类似生意时一定要小心翼翼。
一定要小心！
一定要小心避免那些会对你造成负面影响的言行。
Just be careful to avoid trolls looking only to get a negative response from you.
现在查理有了新家，不过主人一定要小心小心再小心——查理有可能是个魂器哦……（小编：喂！
当你生火时一定要小心。
但就目前而言，这仍是一个买方一定要小心的领域。
But for the moment, this is still an area where buyer should definitely beware.
今后，如何做这件事一定要谨慎小心。
所以大家一定要小心。
所以，同学们一定要小心啊！
当你横过马路时，一定要小心。
好，但是一定要小心，好吗？
妈妈常常告诉我在去上学的路上一定要小心。
My mother usually tells me to be careful on my way to school.
一定要多加小心，任何可能造成的损失都要由你负责。
Be more careful, you'll have to answer for any possible damage.
一定要多加小心，任何可能造成的损失都要由你负责。
Be more careful, you'll have to answer for any possible damage.
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