Before leaving the train, make sure you have all your belongings with you.
下火车前一定要带好随身物品。
My youngest boy has not left my side (= has stayed near me ) since his daddy was killed.
我最小的儿子自从他爸爸死后就没有离开过我的身边。
n. 许可,同意;休假
agreement、
permission、
yes、
liberty、
Ok