汉译英：1无论你在哪儿,无论何时,你都可以用手机和家人联系.2在听老师讲课期间,他总是认真记笔记.3如果有的话,水壶里只有一点水.

wherever you are and whenever it is ,you can use cellphones to communicate with your family.
when (he is) listening to the teacher,he always takes notes carefully.
if any ,there is a little water in the kattle.