Definition
- B2Verb + -ing
to make significant efforts to accomplish a particular goal
努力於…；在…方面投入心力
He decided to work at improving his English skills so he could work abroad.
他決定努力提升英語能力，以便能夠在國外工作。
If you want to succeed in this field, you must work at your professional development continuously.
如果你想在這個領域取得成功，你必須持續在專業發展上投入心力。
She worked at painting for many years, and after much practice, her skills finally improved.
她多年來努力練習繪畫，經過大量練習後，她的技巧終於有所提升。