exert oneself to no purpose是什么意思？

• tomato
• lake
• general
• 参数英文
• text
• 导师英文
• peeping
• 确认英文
• searches
• 队长的英文
• front
• vehicle
• bothering
• predict
• maths
• cloud
• emergency
• disappointed
• theatre
• satisfaction
• fake
• 纪念品英语
• pear
• sweater
• candy
• chess翻译
• firmness
• juice
• explore
• 权限英文

• 长颈鹿英语怎么说
• scared
• 分配英文
• saturday
• toxicity
• client
• 实施英文
• committing
• rice
• 方案英语
• repeat
• cheese
• reveal
• 领域英语
• polite
• general
• lesson
• algiers
• volume
• amazing
• ultra
• 抛弃英文
• profile
• permitted
• 来源英语
• giraffe
• aspect
• brat
• 呼吁英语
• default

• disrate
• disregard
• disregardful
• disregistry
• disrelish
• disremember
• disrepair
• disreputable
• disreputably
• disrepute
• disresonance
• disrespect
• disrespectable
• disrespectful
• disrespectfully
• disrobe
• disroot
• disrupt
• disruption
• disruptive
• disruptiveness
• dissatisfaction
• dissatisfactory
• dissatisfied
• dissatisfiers
• dissatisfy
• dissaving
• disseat
• dissect
• dissecting