従姉妹にはね、もの凄いボインボインな子がいるんだよ？

tbd

Among my cousins, you know, there's a girl with the most enormous breasts.

彼の従姉妹は、名前は忘れたが、看護婦だった。

tbd

His cousin, whose name I have forgotten, was a nurse.

His cousin, whose name I forget, was a nurse.

従姉妹の連絡先を教えられなくてごめん。

tbd

I'm sorry that I haven't been able to give you my cousin's contact info.

I'm sorry I haven't been able to give you my cousin's contact info.

すると、学部長はため息をつき、「その女性は、たぶん... 私の従姉妹のだと思います」と言った。

tbd

The dean sighed and said: "I think that this woman is perhaps... my own cousin".

あのいとこは見かけは似ているが性格はまるで違う。

tbd

The cousins are similar in appearance but widely different in character.