YOU SAID:

A Captain should always go down with their ship.

INTO JAPANESE

キャプテンは常に船を持って降りる必要があります。

BACK INTO ENGLISH

The captain should always bring the ship off.

INTO JAPANESE

船長は常に船を降ろす必要があります。

BACK INTO ENGLISH

The captain must always unload the ship.

INTO JAPANESE

船長は常に船を降ろさなければなりません。

BACK INTO ENGLISH

The captain must always unload the ship.