たがが緩む
1
chochear;perder facultades mentales por efecto de la edad
1
to weaken (of willpower, solidarity, etc.);to lose one's edge;to become less tense;to become lax (of discipline, rules, etc.)
Other forms
タガが緩む 【たががゆるむ】 · 箍が緩む 【たががゆるむ】