try in vain是什么意思？

• pear
• bombarded
• fiercely
• PEGGING
• searches
• 长颈鹿英语怎么说
• firmness
• peeping
• 流浪者英文
• 确认英文
• candy
• approaches
• ultra
• giraffe
• polite
• scared
• volume
• client
• rice
• predict
• 呼吁英语
• 导师英文
• mind
• theatre
• general
• reveal
• autumn
• 领域英语
• droplets
• lake

• silver
• front
• sweater
• lycopene
• banger
• crayon
• 局外人英文
• 来源英语
• 权限英文
• various
• general
• aspect
• bothering
• default
• saturday
• cloud
• 参与者英文
• committing
• monitor
• conflict
• repeat
• emergency
• lesson
• tourist
• tomato
• permitted
• BARRIE
• 抛弃英文
• 队长的英文
• amazing

• short program
• clausum
• Rural land
• nervation
• acclimatizes
• discharge pipe
• Burong
• whitetip
• paraglossia
• hypercardiotrophia
• SpringFestival
• letter pad
• Randulf
• cataclasis
• work energetically
• become pregnant
• centeredness
• trail car
• Turbo
• wart hog
• mortising
• rompish
• earthy manganese
• A sensational
• among them