guardiamarina betyder på engelska

ensign [ensigns]▼(military officer)
noun
[UK: ˈen.sən] [US: ˈen.sən]

midshipman [midshipmen]▼(officer of the lowest rank)
noun
[UK: ˈmɪd.ʃɪp.mən] [US: ˈmɪd.ˈʃɪp.mən]