sticker

• 多义词：植物上的小尖刺；粘贴用的标签或贴纸；棘手或复杂的问题；以及一种用于刺戳的短剑或匕首。

A noun with multiple meanings: a small sharp-pointed tip on a plant; an adhesive label; a particularly difficult or baffling question or problem; or a short knife with a pointed blade used for piercing or stabbing.

1. Sharp plant partB2formal

   A small, sharp-pointed tip resembling a spike on a stem or leaf, such as a thorn or prickle.

   刺

   • Be careful of the stickers on that rose bush.
   • The cactus is covered in sharp stickers.
   • He got a sticker in his finger while gardening.

   同义词barbpricklespikespinethorn

2. Adhesive labelA1informal

   A sticky label or decal, often used for decoration, identification, or promotion.

   贴纸

   • She put a sticker on her laptop.
   • The children collected stickers from the cereal boxes.
   • The package had a fragile sticker on it.

   同义词decallabelstamptransfer

3. Difficult problemC1informal

   A particularly challenging or puzzling question or problem.

   难题

   • The final question on the test was a real sticker.
   • This math problem is a sticker for most students.
   • The puzzle turned out to be a sticker for the whole team.

   同义词conundrumenigmaposerpuzzlerriddlestumper

4. C2formal

   A short knife with a pointed blade, used for piercing or stabbing.

   短刀

   • The sailor carried a sticker for close combat.
   • He pulled out a sticker from his belt.
   • The antique sticker had an ornate handle.

   同义词bladedaggerdirkponiardshivstiletto