歯医者は彼に口を大きく開けるように頼んだ

Meaning
the dentist asked him to open his mouth wide

Vocab used in this sentence

歯
teeth, tooth, dental, gear
医者
doctor, doc, medic, physician, quack
は
a, the, is, am, are, will
彼
he, his, him, boyfriend
に
in, to, on, at, into, upon
口
mouth, bite, vent, lips, opening, entrance, uttered, orifice
を
o, the, to, wo
大きい
big, large, great, enormous, huge, massive
開ける
open, unlock, punch, drill, pierce
よう
like, way, kind, so that, such as, manner
に
in, to, on, at, into, upon
頼む
ask, please, beg, request, rely, hire, engage
だ
is, be, are, am, it is, seems

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