プログレッシブ和英中辞典(第4版)の解説
たま【▲珠】
❶〔宝石〕a jewel
珠を磨く
polish a jewel [precious stone]
艱難(かんなん)汝(なんじ)を珠にす
Adversity is a good teacher.
❷〔そろばんの〕a bead
掌中の珠
彼女は子供を掌中の珠といつくしんでいる
Her child is the apple of her eye.
珠に傷
彼は背が低いのが珠に傷だ
The only defect [shortcoming] in his otherwise well-formed [perfect] figure is his short stature.