to sign an agreement with meaning in Chinese

与...签订一项协定

You need to sign an agreement with us firstly
你首先需要和我们签定一份协议。
Want to open function of the bank on the net , want to sign an agreement with the bank beforehand normally
要开通网上银行功能，通常事先要与银行签订协议。
" the treasure i speak of really exists , and i offer to sign an agreement with you , in which i promise to lead you to the spot where you shall dig ; and if i deceive you , bring me here again , - i ask no more .
“我所说的宝藏真有其事，我提议来签订一个协议，内容说明，我答应领你们到那个地方去，由你们来挖，假如我欺骗了你们，就把我再带回到这儿来，我不求别的。 ”