to one's knowledge是什么意思？

• ultra
• aspect
• begins
• profile
• BARRIE
• droplets
• candy
• algiers
• erased
• 方案英语
• 确认英文
• 造型的英文
• default
• 队长的英文
• volume
• sweater
• front
• bombarded
• giraffe
• lesson
• 抛弃英文
• maths
• 缺陷英文
• fiercely
• mind
• amazing
• cheese
• crayon
• modernize
• banger

• ticket
• 领域英语
• lake
• theatre
• passage
• 导师英文
• saturday
• general
• autumn
• general
• explore
• 局外人英文
• bothering
• toxicity
• PEGGING
• giraffe
• disappointed
• lycopene
• 参数英文
• 呼吁英语
• juice
• supper
• brat
• 分配英文
• rice
• silver
• satisfaction
• 参与者英文
• 来源英语
• panicked

• focus on
• fold up
• follow out
• follow through
• follow up
• food for thought
• for a while
• for certain
• for example
• for good
• for instance
• for sure
• for the first time
• for the most part
• force out
• forever and a day
• fork out
• form of address
• free of charge
• from time to time
• gain ground
• gather up
• gear up
• get across
• get ahead
• get along
• get along with
• get around
• get back
• get by