- All need to be on maximum alert.
所有成员必须保持最高警惕 - Then it's wait and listen.
它们必须侧耳倾听,等待时机 - An unfamiliar chimp call raises the tension.
一个陌生的声音 引起了猩猩们的注意 - It's an uncertain time. The size of the rival group is as yet unknown.
在这个非常时刻 对手的具体数量还不知道 - Not far away the neighbors are feeding in a fig tree
就在不远处,邻居正在无花果树上进食 - oblivious to the approaching dangers.
他们还不知道危险正在接近 - The patrol moves off with a sense of purpose.
巡逻队继续向目标进军