下衆の後知恵 げすのあとぢえ hindsight is 20-20 (even for a fool); an afterwit is everybody's wit exp proverb Advanced ➥
互恵関係 ごけいかんけい reciprocal relationship; mutually beneficial relations; relationship with benefits to both parties n Advanced ➥
恩恵期間 おんけいきかん period of grace (e.g. in which merchant vessels are allowed to leave a belligerent nation's port after an outbreak of war) n law Advanced ➥