still and end的用法和樣例：
例句
- And she litters from time to time.
還不時隨手扔垃圾。 - The wound still pained him occasionally.
他還是感到傷口不時疼痛。 - And humor often insults someone.
幽默時常會冒犯某些人。 - There is a scene of festively singing and dancing.
旁邊打穀場上是人們節慶時常有的場景，載歌載舞。 - I usually have to wash the greasy pots and pans.
我得常常洗沾滿油污的鍋子。 - Mary and Lucy used to go to many places together.
瑪麗和露西以前常常一起去很多地方。
