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"Be careful" 是一种常见的小心祈使句。它来源于英语中的动词"be"和形容词"careful"。例句:
Be careful when you cross the street.
(过马路时小心)
Be careful not to break the vase.
(小心不要打碎花瓶)
Be careful with that knife, it's sharp.
(小心那把刀，它很锋利) "Be careful" 是一种常见的小心祈使句。它来源于英语中的动词"be"和形容词"careful"。
例句:
Be careful when you cross the street.
(过马路时小心)
Be careful not to break the vase.
(小心不要打碎花瓶)
Be careful with that knife, it's sharp.
(小心那把刀，它很锋利)
来源：作文地带整理
