Definition
To gain control or influence over someone or something.
控制；掌握
They tried to get ahold of the project to make sure it aligned with their goals.
他们试图掌控这个项目，以确保它符合他们的目标。
He needed to grab ahold of the situation quickly, or things could get out of hand.
他需要迅速控制局面，否则事情可能会失控。
Once fear gets ahold of you, it's hard to make rational decisions.
一旦恐惧掌控了你，就很难做出理性的决定。