我面上生了一粒暗瘡

我面上生了一粒暗瘡，英文係：

I have a sore on my face.

暗瘡 - pimple, zit (美式)
粉刺 - acne (情況比較嚴重, 如爛面)

Oh my god! I've got a big pimple/zit on my face. 我的天呀! 我面上生了一粒大暗瘡.

i have a pimple on my face