hammer away at
US /ˈhæm.ər əˈweɪ æt/
UK /ˈhæm.ər əˈweɪ æt/

片語動詞
1.
努力鑽研, 反覆強調
to work hard and persistently at something
範例:
•
She had to hammer away at the problem for hours before she found a solution.
她不得不努力鑽研這個問題好幾個小時才找到解決方案。
•
The team continued to hammer away at the project despite the setbacks.
儘管遇到挫折,團隊仍繼續努力推進項目。
在 Lingoland 學習這個單詞