coulda<口> = could havecouldaux.可以；能；可能；can的过去式Could you reconsider that?德治思想Couldn't you try it again?石匠想。Could you comment on this?民本思想Could save this earthly day.才解救那尘世里的一天。Could you change the date?Could you call back later?adj.作为说明couldn't unstick the window.作为实例Could I have some carrots?比托姆couldn't restrain the tears.关于促进大众消费的思考Couldn't shut the fucker up.对当前看守工作存在问题的调查与思考

1. After his wife left him he felt that he was in a lonely no man's land where even his friends could not help him.
   自从他妻子离开他以后，他就感到自己孤寂无着，连朋友都帮不了他的忙。
2. She could not help the tears of rage rolling down her face.
   愤怒的泪水不由自主地顺着她的面颊淌下。
3. He could not help exclaiming at how much his son had grown.
   他的儿子已长那麽高了，他不禁惊叫起来。
4. She could not help showing her partiality towards her own team.
   她禁不住流露出对自己球队的偏爱。