弟, おとうと, てい
1. younger brother, little brother, kid brother
Only おとうと, See 義弟・1
2. brother-in-law (spouse's younger brother or younger sister's husband)
Only てい, Archaism
3. pupil, apprentice
彼は私と弟を取り違えた。
弟, おとと
Archaism
younger sibling
彼は私と弟を取り違えた。
弟, 乙, おと
Archaism
1. younger brother (of an older brother), younger sister (of an older sister)
2. youngest child
Prefix
3. young
4. young and beautiful, cute
彼は私と弟を取り違えた。
に
Particle
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), with
5. by, from