n.刺，荆棘，(玫瑰之类植物的)棘刺，带刺的树，刺形符，字母ð(古英语和古冰岛语用的字母，表示 /θ/ 和 /ð/ 的发音，后书写为th)

原形：thorn复数：thorns

Waterlogging has been a constant thorn for the municipal government.
内涝问题一直使市政府很苦恼。
The kid is a real thorn in my side.
这孩子真叫我头疼。
He is hiding in the shade of a thorn bush.
他躲在一丛荆棘下的阴凉处。
The rose has beautiful flowers, but its stems are covered in thorns.
这朵玫瑰有美丽的花朵，但它的茎上布满了刺。
She was pricked by a thorn while picking the flowers.
她在采摘花时被刺扎了一下。
The path through the forest was lined with thorny bushes.
通过森林的小路两旁长满了多刺的灌木丛。
His words were like thorns, piercing her heart.
他的话语像刺一样，深深刺痛了她的心。
The thorn in his side was the constant criticism from his boss.
他老板不断的批评是他心中的痛处。
The cactus plant is known for its water-storing abilities and its sharp thorns.
仙人掌以其储存水分和尖锐的刺而闻名。
The thorn tree provided shelter for the small animals in the desert.
刺树为沙漠中的小动物提供了庇护所。
He had to navigate through a thicket of thorns to reach the hidden pond.
他必须穿过一片荆棘丛才能到达那个隐藏的池塘。
The thorn on the stem scratched my hand as I held the apple.
当我握着苹果时，茎上的刺刮伤了我的手。
The thorniest issue in the negotiations was the division of resources.
在谈判中最棘手的问题是资源的划分。