to worry at
[phrase form: worry]
01
啃咬, 拉扯
to constantly shake or bite something, often with a pulling motion
例子
The dog worried at the bone, trying to break it into smaller pieces.
狗啃咬着骨头，试图把它咬成更小的碎片。
02
绞尽脑汁, 苦思冥想
to attempt to solve a problem through extensive thought and consideration
例子
The team continued to worry at the technical issue until they resolved it.
团队继续担忧技术问题，直到他们解决了它。
