effortful + noun
effortful 常用于修饰表示任务或活动的名词。
She completed the effortful task.
她完成了这项需要付出巨大努力的任务。
费力的；费劲的
需要努力的；表现出努力的。；显示努力的；充满努力的；需要努力的
需要努力的；表现出努力的。
Requiring or showing effort.
The trail to the summit was steep and rocky, making the hike extremely effortful.
通往山顶的小路陡峭多石，使得这次徒步旅行极其费力。
用法提示：effortful 作为形容词，描述徒步旅行需要付出巨大的体力努力。
He let out a grunt as he made the effortful lift of the heavy box onto the shelf.
他发出咕哝声，费力地把沉重的箱子抬到架子上。
用法提示：effortful 修饰 lift，表示这个抬举动作需要很大的努力。
The physical therapist recommended several effortful exercises to strengthen the patient's muscles.
物理治疗师推荐了几项需要付出很大努力的练习来增强病人的肌肉。
用法提示：effortful 作为形容词，修饰 exercises，表明这些练习需要付出巨大的体力努力。
effortful 常用于修饰表示任务或活动的名词。
She completed the effortful task.
她完成了这项需要付出巨大努力的任务。
作表语时描述主语需要努力。
The training is effortful but rewarding.
训练很费力但值得。
后接 for 引出涉及的对象。
This puzzle is too effortful for children.
这个谜题对孩子们来说太费力了。
grammar · medium
易错句子He completed the project effortful.
正确表达He completed the project effortfully.
effortful是形容词，不能直接修饰动词；需改为副词形式effortfully。
grammar · medium
易错句子This task is effortful, I finished it quickly.
正确表达This task is effortless, I finished it quickly.
effortful意为'需要努力的'，与句意'快速完成'矛盾；应改用effortless表示'不费力的'。
effortful表示需要付出巨大努力，而effortless则表示毫不费力，两者意义相反。
effortful是形容词，表示需要努力的；effort是名词，表示努力本身，两者词性不同，不能互换使用。
Choose the next layer that will help you use effortful with more confidence.
Recommended next
Missing: Collocations
Complete this area with collocations.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Spelling & sound
Explore words with similar spelling endings or sounds.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Dictionary facts from ECDICT, WIKTIONARY.