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- They could not improvise. 他们不能随机应变。
- They could not follow the lecture. 他们听不懂这次演讲。
- Their anxiety was such that they could not sleep. 他们如此焦虑，难以入睡。
- They could not agree about the distribution of the profits. 他们对于利润的分配意见不一致。
- They could not hammer any new idea into their grandfather's head. 他们无法向祖父灌输任何新思想。
- They could not have foreseen how things would turn out. 他们不可能预知事情的结果。
- They could not keep up with us when we climbed the mountain. 爬山时，他们跟不上我们。
- In those days they could not spare the children from fieldwork. 那时候，孩子不到地里干活是不行的。
- They could not find a way to get themselves out. 他们无法找到一条逃生之路。
- They could not go on for lack of materials. 由于缺乏原料，他们进行不下去了。
- They could not restrain their feelings any longer. 他们再也忍耐不下去了。
- They could not cure all the evils. 他们不能消灭所有的邪恶。
- They could not withstand the fierceness of attack of those soldiers. 他们抵挡不住那些士兵猛烈的进攻。
- They could not have guessed our intention. 他们不可能猜到我们的意图。
- Worst of all, they could not speak anymore. 最糟的是，他们再也不会说话了，
- They could not expose the fact that they were rich. 他们不能暴露已经富起来的底牌。
- They could not let such an outburst go unpunished. 他们不会让你这么狂叫一声而不惩罚你的。
- That they could not seemed a truism. 这似乎是一个真理。
- They could not choose a king among themselves. 他们无法从他们自己当中选出一个国王来。
- They could not refuse, though they were a crowd. 他们不能拒绝,虽然他们是一群乌合之众。
