負け惜しみ
1
being a poor loser;unwillingness to admit defeat;sour grapes
日本の市場が閉鎖的だという非難は、負け惜しみにすぎません。
Criticisms that Japan's market is closed are just sour grapes.
Other forms
負惜しみ 【まけおしみ】 (search-only kanji form)