A: Watch out! The thorns on these flowers are very sharp.
A：小心！这些花上的刺非常尖锐。

B: Thanks for the warning. I almost touched them.
B：谢谢提醒，我差点就碰到了。

1) 植物的尖刺

2) 麻烦或障碍

3) 痛苦的根源

1. 植物身上的尖刺

noun

1. Sharp, pointed parts of many plants, especially on the stems.

2. A person or thing that causes difficulty, annoyance, or pain.

Synonym: prickles, spikes