how to translate these sentences?
问题描述：
how to translate these sentences?
1.我认为费这么大劲不值得.
2.他似乎该为这一错误负全部责任.
3.我想到了他可能在撒谎.
另外,夜黑沉沉的,我们什么也看不见.
it was a such dark night that we could not see anything.(为什么这里要用could?)
答
1.我认为费这么大劲不值得.I don't think it worth the effort.2.他似乎该为这一错误负全部责任.He seems to be responsible for all these mistakes.3.我想到了他可能在撒谎.I occured to me that he might be lyin...