wèi / le / àn / shí / wán / chéng / rèn / wù / dà / jiā / dōu / mài / lì / qi / de / gàn / le / qǐ / lái

为了按时完成任务，大家都卖力气地干了起来。

To finish the task on time, everyone got to work with all their strength.