好词典
tuff
UK /tʌf/US /tʌf/
词源
名词义源自意大利语 'tufo'（多孔岩石），形容词义为 'tough' 的变体拼写，20世纪中期开始流行。
noun
❶ 一种多孔的火山岩，由火山灰和碎屑压实形成，常用于建筑和装饰。
“The ancient city was built with blocks of tuff.”
（这座古城是用凝灰岩块建造的。）
“Tuff is often used in landscaping due to its porous nature.”
（凝灰岩因其多孔特性常用于景观设计。）
同义词:volcanic rock, ignimbrite, pyroclastic rock
adjective
❶ 俚语中表示“坚韧的、强硬的”，常用于描述人或事物具有顽强特性。
“That boxer is one tuff competitor.”
（那位拳击手是个强悍的对手。）
“She's been through tuff times but never gives up.”
（她经历过艰难时期但从不放弃。）
同义词:tough, resilient, hardy
常见短语
tuff as nails — 形容人或物极其坚韧，像钉子一样难以摧毁。
“After years of training, the soldier became tuff as nails.”
（经过多年训练，这名士兵变得坚不可摧。）