convinced

相信的

①用作表语，接用of sth。

【例】We are convinced of the commercial integrity of the supplier.

我们相信该供应商的商业信誉。

②用作表语，接用that从句。

【例】We are convinced that we are offering you machines which cannot be obtained elsewhere at the price.

我们相信，我们现在报盘的机器，从别处用同样价钱是买不到的。

cooperate

合作，协作

【例】We have closely cooperated with them and assisted them in every possible way.

我们同他们进行了密切的合作，并尽力帮助了他们。

cooperation

合作，协作

①We assure you of our close cooperation.

我们保证给予密切的合作。

②cooperation后接用in + n（或动名词短语）表示在哪方面进行合作。

【例】We need your cooperation in this matter.

我们需要你们在此事上给予合作。