单词hard as nails
na.: 结实；冷酷无情；身体强壮
Anne was never happy. She was as hard as nails to make smile.
圣安妮从来都没有高兴过，她是难得一笑。
They offered me a good job at that company but I hear that the boss is as hard as nails. So I"ve not decided yet.
他们向我提供那家公司的一个很好的职位，但是我听说他们的老板是个很难相处的人。所以我还没决定去不去。
No use expending all that energy swinging though the trees only to discover that the figs are not yet ripe, sour and hard as nails.
无需花费精力在树之间穿越，就可以发现果实是否成熟、发酸或像钉子一样硬。
That hard-as nails young man was a sailor to the tips of his fingers.
那身体结实的年轻小伙子是个地地道道的水手。
The Old Trafford boss has even described his summer signing as "Strong as a lion and hard as nails".
这名曼联主帅将自己在夏天所完成的转会交易形容为“像狮子一样强壮，像蜗牛一样坚固”。
There"s no point in asking Harry for a donation for starving children; he"s as hard as nails.
不用要求哈里给饥饿的孩子们捐赠些东西，他是个无情感的家伙。
He is the best judge of a player in football today. He is as hard as nails and compassionate at the same time.
他是时下评判足球运动员优劣最了不起的行家，他严厉，同时也极有同情心。
When negotiating order priority, the suppliers Steve met with were hard as nails.
在交涉订单的优先顺序时，史提夫碰见的供应商态度强硬，不愿让步。
No wonder cadets are always hard as nails even if they are young.
难怪军校学生纵使年轻，却都是铁石心肠。
These ponies are diminutive in size but hard as nails.
这些小马个子不大，却很结实。