congratulation

祝贺，庆贺

多用复数，后常接用on；在a letter of congratulation中用单数。

【例】We send you our warmest congratulations on your increased business with us.

贵方提高了同我们的贸易额，特致以最热烈的祝贺。

conjunction

结合

in conjunction with与……配合，与……合并

【例】The new product can be used in conjunction with the old one.

新产品可与老产品配合使用。

connect

联系

①常接用with。

【例】We wish to inform you that we are well connected with major dealers in the line of textiles.我们愿告知你方，我们与经营纺织品的各大商号联系密切。

②过去分词常用作定语。

【例】The total cost connected with the reconditioning of the goods amounts to US $1000.

与修整货物有关的一切费用达1000美元。