分析词义

Watchful 是一种形容词，用于描述一个人在避免危险或解决问题时，保持警惕、注意或小心谨慎的态度。它来自 "watch"（看）和 "-ful"（充满...的），所以字面意思就是“充满警觉的”。

列举例句

词根分析

Word root: WatchDerived words: watchman (守卫), watchdog (看门狗), watchtower (瞭望塔)

词缀分析

Suffix: -fulDerived words: careful (小心的), hopeful (充满希望的), wonderful (美好的)

发展历史和文化背景

Watchful源于古英语的wæcce（保持醒来）和full（充满）。随着时间的推移，其含义发展为警觉或留心的状态，因为一个醒着的人更有可能注意到周园环境的变化。

单词变形

There are not many variants of the word "watchful". It usually serves as an adjective and doesn't have a direct noun or verb form. However, it can be made into adverb form, "watchfully" which means in a watchful manner.

记忆辅助

你可以把 "watchful" 分解成 "watch" 和 "-ful"。想象你要"watch" （看）一个满 "-ful"（充满）的安全摄像头，这样你就会觉得你非常 "watchful"（警觉）了。

小故事

Under the watchful eyes of the museum guard, the group of tourists carried out their tour without causing any disturbances.在博物馆的警卫的警惕眼神下，一群游客进行他们的参观，没有引发任何骚乱。