彼は先生を笑い者にした。

Meaning
he made the teacher a laughing stock

Vocab used in this sentence

he, his, him, boyfriend
a, the, is, am, are, will
先生
teacher, dr, doc, sir, doctor, professor, sensei, master, instructor
o, the, to, wo
笑い
laugh, laughing, laughter, smile, chuckle, grin, mirth
who, those, person, people, those who, one who
in, to, on, at, into, upon
and, shi, four, death
the, was, ta, da, other

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