(at) full stretch
US /ət fʊl strɛtʃ/
UK /ət fʊl strɛtʃ/

1.
全力以赴, 竭尽全力, 最大限度地
using all of one's resources, energy, or ability; to the utmost extent
:
•
The team was working at full stretch to meet the deadline.
团队正在全力以赴地工作以赶上截止日期。
•
The company's resources are being used at full stretch.
公司的资源正在全力以赴地使用。