be scarce
scarce常作表语，表示‘缺乏、不足’。
Food is scarce in the region.
该地区食物短缺。
稀少的；不足的；供不应求的
scarcer — comparative of scarce
缺乏的；不足的；稀有的,罕见的,不足的；数量或数目不足以满足需求；供应不足的；缺乏的(与 of 连用)；难得的
rare; not enough to meet demand
稀有的,罕见的,不足的
Uncommon, rare; difficult to find; insufficient to meet a demand.
数量或数目不足以满足需求
deficient in quantity or number compared with the demand
供应不足的；缺乏的(与 of 连用)
Scantily supplied (with); deficient (in); used with of.
During the drought, water became scarce.
干旱期间，水变得稀缺。
用法提示：形容词作表语，表示数量缺乏
AI contextual example
Tickets for the concert are scarce, so we should buy them soon.
演唱会门票很难得，我们应该尽快购买。
用法提示：形容词作表语，表示难得
AI contextual example
As the winter approached, fresh vegetables grew scarcer.
随着冬天临近，新鲜蔬菜变得更稀少了。
用法提示：比较级形式表示更加缺乏
AI contextual example
scarce常作表语，表示‘缺乏、不足’。
Food is scarce in the region.
该地区食物短缺。
作定语时，通常修饰抽象或具体名词。
Scarce resources must be used wisely.
稀缺资源必须明智使用。
非正式短语，意为‘溜走、躲开’。
When the boss arrived, he made himself scarce.
当老板来时，他躲开了。
与 scarce 相比，rare 更强调罕见和珍贵，而 scarce 强调供应不足。
scant 强调数量极少，几乎不够，语气比 scarce 更强。
sparse 强调分布稀疏，而 scarce 强调整体数量不足。
inadequate 强调不能满足需求，语气更正式，常用于抽象事物。
insufficient 强调数量不足以达到要求，与 scarce 相比更常用在正式或技术语境中。
grammar · medium
易错句子I scarce know him.
正确表达I scarcely know him.
“scarce”是形容词，不能用作副词。表示“几乎不”应使用副词“scarcely”。
grammar · medium
易错句子I scarce money for the trip.
正确表达Money is scarce for the trip.
“scarce”是形容词，不能直接带宾语。表示“缺乏某物”应说“某物 + is scarce”，而非“主语 + scarce + 宾语”。
与 scarce（缺乏的）相对，表示数量充足
与 scarce（稀少的）相对，表示大量存在
与 scarce（不足的）相对，表示足够且有余
rare强调事物本身罕见或珍贵，而scarce强调供应不足、难以满足需求
稀缺资源
The government must allocate scarce resources efficiently.
政府必须高效分配稀缺资源。
稀缺商品
Clean water is a scarce commodity in many regions.
清洁水在许多地区是一种稀缺商品。
供应短缺
During the drought, the supply of food became scarce.
干旱期间，食物供应变得短缺。
食物匮乏
The refugees survived on scarce food rations.
难民靠匮乏的食物配给生存。
水资源稀缺
In arid climates, water is often scarce.
在干旱气候中，水常常是稀缺的。
变得稀少
As the population grew, natural resources became scarce.
随着人口增长，自然资源变得稀少。
躲开，溜走
When the boss arrived, the interns made themselves scarce.
老板来了，实习生们赶紧躲开了。
极其罕见
Honest politicians are as scarce as hen's teeth.
诚实的政治家如同鸡的牙齿一样罕见。
极为稀有
Original copies of that book are as scarce as rocking horse manure.
那本书的原版极为稀有。
Dictionary facts from ECDICT, WIKTIONARY.