undermine
[ˌʌndəˈmaɪn]transitive verb Coniugazione
(fig) Coniugazione minar, Coniugazione socavar
to undermine somebody's confidence/authority minar la confianza/autoridad de alguien
Complétez la séquence avec la proposition qui convient.
In our school, if we are late, we … kept in after school.