zhè / zhī / duì / wǔ / shì / dān / lì / bó / hěn / nán / zài / duǎn / shí / jiān / nèi / wán / chéng / rèn / wù

这支队伍势单力薄，很难在短时间内完成任务。

This team is short on strength and support, so it will be difficult to complete the task in a short time.