締まりの無い

(1)lacking in rigor or strictness; "such lax and slipshod ways are no longer acceptable"; "lax in attending classes"; "slack in maintaining discipline"

(2)厳格さ、厳しさが欠けているさま

(1)such lax and slipshod ways are no longer acceptable

(2)そのような手緩くてだらしない方法はもう許容できない

(3)lax in attending classes

(4)授業への出席がたるんでいる

(5)slack in maintaining discipline

(6)規律の維持がいい加減な