英和辞典
  
theirs中A2
ðéərzぜアズ
代名詞
❶彼らのもの, 彼女たちのもの; それらのもの  ⦣ 単数のものにも, 複数のものにもいう. they
関連語his (彼のもの), hers (彼女のもの)
This dog is theirs. (=This is their dog.)
This dog is theirs. This is their dog.
この犬は彼らのものです.
Our school is older than theirs (=their school).
Our school is older than theirs their school.
私たちの学校は彼らの(学校)より古い.
Your hands are big, but theirs (=their hands) are small.
Your hands are big, but theirs their hands are small.
君の手は大きいけれど彼らのは小さい.
❷~ of theirs で彼らの~
a friend of theirs (=one of their friends)
a friend of theirs one of their friends
彼らの友人(の1人)
Look at that house of theirs!
Look at that house of theirs!
彼らのあの家を見てごらん!