鸦片

xī yā piàn

吸鸦片

smoke opium

fàn mài yā piàn

贩卖鸦片

traffic in opium

shēng yā piàn

生鸦片

raw opium

mǎi yā piàn

买鸦片

buy opium

zhí dào zuì jìn chōu yā piàn cái bèi pàn dìng wéi fēi fǎ

直到最近，抽鸦片才被判定为非法。

The use of opium was not criminalized until fairly recently.