英汉解释

adj. 注意的；深切注意的；深切留心的

同义词

a. advertent，attentive，careful，paying attention

反义词

a.   heedless，thoughtless，unheeding

参考例句

1. careful of her feelings; heedful of his father's advice.
留心她的感觉；留心她父亲的建议。
2. They cannot realize the horror of the heedful preparations.
他们不懂得必需的准备给人的恐怖感。
3. be heedful (or heedless) of instruction, custom, tradition, etc.
注意（或不注意）教导、风俗、传统等。

英英解释

adj.
  1. taking heed; giving close and thoughtful attention
  2. cautiously attentive
  3. giving attention

网络释义

heedful
注意的; 深切留心的; 注意;
heedful mindful observant
深切注意的;