1550s, "newcomer, novice," from fresh (adj.1) in the sense "making one's first acquaintance, inexperienced" + man (n.). Sense of "university student in first year" is attested from 1590s. As an adjective by 1805. Freshwoman is from 1620s. Related: Freshmen; freshmanic, freshmanship, freshmanhood.
例文
1. during my freshman year
私の1年生の間
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2.Jack decided to live in during his freshman year at college.
ジャックは一時的に学校に住むことにした。
3.An annual freshman icebreaker called "Dickerella,"in which women and men pair off for trips to a local burger Joint named Dick 's,has become a farce.