プログレッシブ和英中辞典(第4版)の解説
しろぼし【白星】
&fRoman1;
❶〔白丸〕a white dot; a white circle;〔白い星形〕a white star
❷〔勝ち星〕a victory (mark)
白星をあげる
win a victory ((over))
今場所は白星続きだ
He 「is undefeated [has not yet been defeated] in this sumo tournament.
&fRoman2;〔手柄〕
内閣は外交問題で白星をあげた
The cabinet handled the foreign affairs issue admirably.