1. turn off 关掉

例句：Late At Night, Do You Turn Off Your Cell Phone? Today, my friend asked me a question. At night, do you turn off your cell phone? If you don't, whom do you leave it on for?
今天，朋友问我一个问题，晚上的时候你的手机关机吗？如果不关机，那你是为谁开着的呢？

2. send messages发短信

例句：The girl had a very close boyfriend. When they couldn't meet they would either call or send messages to each other. They both liked this type of communication.
女孩有个很要好的男朋友，两个人不见面的时候，就打打电话或发发短信，大家都喜欢这样的联系方式。

3. keep the habit of 保持···习惯

例句：The girl still kept the habit of leaving her cell phone on all through the night, but not expecting that it would ring.
女孩还是保持着整夜不关机的习惯，只是不再期待它会响起。

4. in a moment of fluster 慌乱之中

例句：One night, the girl got ill.In a moment of fluster, instead of calling her parents, she dialed the new boyfriend's cell phone. The boy was already asleep but his cell phone was still on.
一天夜里，女孩身染急症，慌乱之中把本想拨给父母的电话拨到了新男友那里。男孩早已睡下，但手机还开着。