as hard as nails是什么意思？

• mind
• lake
• searches
• passage
• committing
• begins
• 抛弃英文
• crayon
• pear
• silver
• 流浪者英文
• general
• emergency
• 权限英文
• volume
• narrow
• firmness
• general
• 参与者英文
• 纪念品英语
• polite
• searches
• client
• giraffe
• explore
• maths
• sweater
• 导师英文
• brat
• various

• 方案英语
• droplets
• failure
• profile
• predict
• 领域英语
• repeat
• 确认英文
• chess翻译
• 实施英文
• 参数英文
• amazing
• lycopene
• erased
• cloud
• prompt
• front
• PAXLOVID怎么读
• default
• 呼吁英语
• reveal
• PEGGING
• 来源英语
• ultra
• 分配英文
• bothering
• theatre
• fiercely
• 旋律的英文
• passage

• mesocoel
• medullary cast
• photo album
• be proficient in
• fold zone
• temulence
• Be lured into
• rehab
• poised river
• love ardently
• recycle pump
• lateroduction
• commotio cerebri
• Boron Silica
• To visit
• public announcement
• discus throw
• coziness
• Macauley
• kosin
• weight lifting
• Refers to a plant
• internal nare
• ciliaris
• a box and needle