3.endemic diseases that were the foe of economic development.
成为经济发展大敌的地方病
4.she was unsure whether he was friend or foe .
她无法确定他究竟是朋友还是敌人。
5.implacable foes; implacable suspicion.
能和解的敌人;能平息的怀疑
6.They steadily pushed their foes before them.
他们停地追击敌人。
7.He knew that Karl could be an implacable foe.
他明白卡尔可能会成为他的死敌。
8.She had fought many battles, vanquished many foes.
她身经百战,挫败过很多对手。
9.A mutalisk can attack foes both in the air and on the ground by expelling a glave wurm: a voracious symbiote that can rapidly strike at several opponents as it explosively disintegrates.