latch onto something
phrasal verb with latch verb [ I or T ] uk/lætʃ/ us/lætʃ/
(BECOME CONNECTED)
与…发生联系，与…产生关联
to become connected to something
The antibodies work by latching onto proteins on the surfaces of the viruses and bacteria. 抗体通过与病毒和细菌表面的蛋白质结合而发挥作用。
(BECOME INTERESTED)
informal对…产生浓厚的兴趣
to become interested in an idea, story, or activity, and to start to use it
Unfortunately the press have already latched onto the story. 遗憾的是报纸已经盯上这件事了。