英汉词典

1. 茎;秆;柄;梗
    The stalk of a flower, leaf, or fruit is the thin part that joins it to the plant or tree.

    e.g. A single pale blue flower grows up from each joint on a long stalk.
           一条长长的茎秆的每个节上都会长出一朵浅蓝色的花。
    e.g. ...corn stalks.
           玉米秆

2. 悄悄跟踪(敌人或野兽)
    If you stalk a person or a wild animal, you follow them quietly in order to kill them, catch them, or observe them carefully.

    e.g. He stalks his victims like a hunter after a deer.
           他像猎手跟踪鹿一样悄悄跟踪受害人。

3. 跟踪骚扰，不断纠缠(名人、分手恋人等)
    If someone stalks someone else, especially a famous person or a person they used to have a relationship with, they keep following them or contacting them in an annoying and frightening way.

stalk

    e.g. Even after their divorce he continued to stalk and threaten her.
           即使在离婚后他仍继续纠缠和威胁她。