尖 + Noun
The adjective 尖 (jiān) means "sharp," "pointed," or "shrill." It can describe physical sharpness or a high-pitched, piercing sound. For example, 尖叫 means "to shriek" or "a sharp cry."
这把刀太尖了,小心别伤到手。
Zhè bǎ dāo tài jiān le, xiǎoxīn bié shāng dào shǒu.
This knife is too sharp — be careful not to cut your hand.
她突然发出一声尖叫,把大家都吓了一跳。
Tā tūrán fāchū yī shēng jiān jiào, bǎ dàjiā dōu xià le yī tiào.
She suddenly let out a scream that startled everyone.
铅笔的头太尖了,写字的时候容易戳破纸。
Qiānbǐ de tóu tài jiān le, xiě zì de shíhou róngyì chuō pò zhǐ.
The pencil tip is too sharp; it easily pokes through the paper when writing.