丁寧， 叮嚀， ていねい
1. polite, courteous, civil
2. careful, close, thorough, conscientious
有礼貌的，彬彬有礼的，文明的；谨慎、细致、彻底、认真
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@ １年生， 一年生， いちねんせい
1. first-year student, first-year pupil
2. beginner, novice, newcomer, person who has been in a role for less than a year
3. annual
4. annual plant
一年级学生；一年生植物
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礼儀正しい， れいぎただしい
1. courteous, decorous, polite
彬彬有礼，举止得体，彬彬有礼