まけおしみ
being a poor loser; unwillingness to admit defeat; sour grapes
Also written 負惜しみ
Noun
日本にほんの市場しじょうが閉鎖的へいさてきだという非難ひなんは、負まけ惜おしみにすぎません。
Criticisms that Japan's market is closed are just sour grapes.