Tuesday，2020.10.27
often [ˈɔːfn] 经常;时常;常常
unsafe [ʌnˈseɪf] 不安全的;危险的;身处险境的
He often dreams of home.
他常常梦见家。
I often go shopping with my mother on weekends.
我时常在周末和妈妈去购物。
We often slept under the stars.
我们经常在夜空下露宿。
It's unsafe for her to go alone.
她单独去是很危险的。
Unsafe to play with fire.
玩火不安全。