Subject + 抓住 + Object
The verb 抓住 (zhuāzhù) means "to grab firmly" or "to seize and hold." The addition of 住 after 抓 indicates that the grabbing action results in a firm hold. It is used both for physical grasping and figuratively for seizing opportunities.
快抓住那个小偷,别让他跑了!
kuài zhuā zhù nàge xiǎotōu, bié ràng tā pǎo le!
Catch that thief quickly, don't let him get away!
你一定要抓住这次面试的机会。
nǐ yīdìng yào zhuā zhù zhè cì miànshì de jīhuì.
You must seize this interview opportunity.
她紧紧抓住妈妈的手,不肯松开。
tā jǐnjǐn zhuā zhù māma de shǒu, bù kěn sōngkāi.
She held tightly onto her mother's hand and wouldn't let go.