| 词汇 | watchful |
| 释义 | watchful /`wɑtʃfәl/ /`wɔtʃfәl/ adj. Cautious; alert and attentive. 当心的；机警的；注意的。 He was watchful of his own appearance. 他很留心自己的外表。 derivatives adv. watchfully. n. watchfulness. |
| 随便看 |
青年旅行网英语在线翻译词典收录了86352条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。