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

1. The mother bird is very watchful over her young.
   母鸟对她的小鸟非常警惕。
2. It is important to be watchful of signs of illness in the early stages.
   在疾病的早期阶段，密切注意疾病的迹象是很重要的。
3. Our security team remains watchful against any potential threats.
   我们的安保团队始终对任何潜在的威胁保持警惕。

词根分析

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

词缀分析

Suffix: -ful
Derived 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。

• druid
• drum
• drum
• drunk
• drunken
• drupe
• dry
• dry
• dryad
• dual
• dub
• dubbin
• dubiety
• dubious
• ducal
• ducat
• Duce
• duchess
• duchy
• duck
• duck
• duck
• duct
• ductile
• dud