Still, they had to make a painstaking search of the mountain area. Searching by night, in the inky darkness on the mountain, was particularly exhausting. Besides trying to fend off mosquitoes, they had to fight to stay awake.
晚間的行動尤其累人，得在漆黑一片的山區裡漫無目的的走查，除了防蛇出沒，還得與瞌睡蟲奮戰。