Be careful to protect your lower body during exercise.

运动时要注意保护下身。

People with hemophilia need to be careful to avoid injuries.

患有血友病的人需要小心避免受伤。

Farmers must be careful to avoid hemlock in their fields.

农民必须小心避免田地里的毒芹。

We must be careful to prevent a thief from entering our house.

我们必须小心，防止小偷进入我们的房子。

Athletes need to be careful to avoid dehydration during intense exercise.

运动员在剧烈运动时需要小心避免脱水。

Be careful to look both ways when you cross the road.

过马路时要小心看两边。

Be careful to step off, mum.

小心点下楼, 妈妈.

Be careful to play each note the right way.

要仔细以正确的方式弹奏出每一个音。

Then you can defend well, be careful to be abducted.

那你可以守护好了，小心被别人掳走了。

Be careful to take and put down motors slightly.

拿马达时，要轻拿轻放。