Translation of "Cucumber" in Japanese

What a long cucumber!

なんて長いキュウリだ。

I love cucumber salad.

きゅうりのサラダが大好きなんだ。

- I was cool as a cucumber.
- I was as cool as a cucumber.

私は落ち着き払っていた。

A cucumber is related to a watermelon.

キュウリはスイカの親戚だ。

- I thought I would be nervous, but I was cool as a cucumber.
- I thought that I would be nervous, but I was cool as a cucumber.

緊張するんじゃないかと思ったが、全く冷静でいられた。

I thought I would be nervous, but I was cool as a cucumber.

緊張するんじゃないかと思ったが、全く冷静でいられた。