脇が甘い、ワキが甘い、わきが甘い
わきがあまい
wakigaamai
JMdict entry #2573210
- expressions (phrases, clauses, etc.)adjective (keiyoushi) sumo poor at preventing one's opponent from getting an underarm grip
- expressions (phrases, clauses, etc.)adjective (keiyoushi) idiomatic expression having weak defenses; off one's guard; vulnerable (to attack)