sparing no effort是什么意思？

• vehicle
• failure
• 领域英语
• sweater
• 抛弃英文
• 解决方案英文
• profile
• 分配英文
• PEGGING
• polite
• lycopene
• 导师英文
• prompt
• juice
• front
• general
• reveal
• satisfaction
• general
• approaches
• giraffe
• disappointed
• brat
• intermission
• scared
• 造型的英文
• 参与者英文
• permitted
• erased
• silver

• organizations
• panicked
• mind
• bothering
• dragon
• 实施英文
• tourist
• crayon
• searches
• ultra
• 旋律的英文
• text
• narrow
• bombarded
• 确认英文
• firmness
• fake
• 流浪者英文
• aspect
• theatre
• conflict
• toxicity
• rice
• autumn
• passage
• begins
• cloud
• maths
• lake
• 呼吁英语

• a bottomless pit
• tidal current
• clothes brush
• invisible green
• dulcification
• poodles
• coniometer
• voilent
• cornette
• disastrous effect
• in company with
• commit a howler
• gun platform
• flow charts
• silvatic
• the shore of a lake
• upshift
• bind sth
• natrition
• become reconciled
• cover tyre
• musical sound
• slinking
• inkosi