最さい上級じょうきゅう生せい

saijōkyūsei

1. Not the oldest student.; Not a senior.

1. Was the oldest student.; Was a senior.

1. Most senior student; Top-ranking student

1. Most senior; Top-ranking (student)

1. Not the oldest student.; Not a senior.

1. Not the oldest student.; Not a senior.

1. Was the most senior student.; Was the top student.

1. Most senior student.; Oldest student.

1. Not the highest-ranking student.; Not a senior.

1. Wasn't the most senior student.; Wasn't the top-ranking student.

1. Probably a senior.; Most senior student.

1. Was not a senior.; Was not the most senior student.

1. Wasn't the most senior student.; Wasn't the top-ranking student.

1. Probably a senior.; Most likely a senior.

1. Was not the highest-ranking student.; Was not the senior-most student.

1. If/when the most senior student; If/when the top-ranking student

1. If the most senior student; When the most senior student

1. If/when the most senior student; As the most senior student