"worry at" in Chinese (Traditional)
咬反覆思考（問題）
Definition
多次用牙咬某物，或對某個問題不停地焦慮思考。
Usage Notes (Chinese (Traditional))
可以指動物或人反覆咬東西，也用來形容一直糾結某事，比日常“擔心”更偏書面或文學用法。
Examples
The dog likes to worry at his bone for hours.
小狗喜歡幾個小時不停地**咬**骨頭。
He continues to worry at the same math problem every day.
他每天都在**反覆思考**同一個數學問題。
The cat will worry at a loose thread on the couch.
貓會**咬**沙發上的鬆線頭。
She tends to worry at things she can't control, even when they're small.
她總是**反覆思考**那些無法控制的小事。
Stop trying to worry at the issue—let’s move on.
別再**反覆思考**這個問題了，我們繼續前進吧。
Sometimes, he will just worry at an idea until he finds a solution.
有時候，他會一直**反覆思考**一個想法直到找到解決辦法。