a. exercising caution or showing care or attention
s. cautiously attentive
s. unhurried and with care and dignity
s. full of cares or anxiety
a. 小心的, 谨慎的
1. Be careful when you cross the street.
过马路时要小心。
2. She is very careful with her money.
她对自己的钱非常谨慎。
3. Please be careful not to spill the water.
请小心不要洒水。