back to basics
US /bæk tu ˈbeɪsɪks/
UK /bæk tu ˈbeɪsɪks/

1.
回歸基本, 回到根本
a return to the fundamental principles of a subject or activity
:
•
After the failed project, the team decided to go back to basics.
項目失敗後,團隊決定回歸基本。
•
The new training program takes us back to basics, focusing on core skills.
新的培訓計劃讓我們回歸基本,專注於核心技能。