Correct

下毒

/ xiàdú / 
Strokes

Definition

to put poison in sth/to poison

Example

As a Verb

put poison in food or drink; poison; empoison

1
Zài
在
chá
茶
lǐ
里
xiàdú
下毒

put poison into sb's tea

2
Shíwù
食物
zhōng
中
xiàdú
下毒

poison the food