flat out 全速、全力以赴、直截了当、断然、竭尽全力

【例句】
Everyone is working flat out to try to trap those responsible.
每个人都在全力以赴，设法捉住那些罪魁祸首。

I am working flat out to get this job finished by next week.
我正在竭尽全力地工作，想在下周完成这项任务。