securely
adv. 安全地;牢固地;安心地;有把握地
例句
He knotted the laces securely together.
他把带子牢牢地系在一起。
《柯林斯英汉双解大词典》
She locked the door securely behind her.
她随手把门锁好。
《牛津词典》
Make sure the table is securely anchored.
务必要把桌子固定好。