Since he was a child, he has loved playing football. （从他小时候起，他就热爱踢足球。）

Since it's raining heavily, we'd better stay at home. （既然雨下得很大，我们最好待在家里。）

Since you are here, you can help me with this task. （既然你在这儿，你可以帮我做这项任务。）

She has made great progress since she started working hard. （自从她开始努力学习以来，她取得了很大的进步。）

Since we have enough time, let's go for a walk. （既然我们有足够的时间，咱们去散散步吧。）

He has been living in this city since he graduated. （自从他毕业以来，他一直住在这个城市。）

Since the movie is so popular, we should go and see it. （既然这部电影这么受欢迎，我们应该去看看。）

Since you don't like this book, I'll give it to someone else. （既然你不喜欢这本书，我就把它送给别人。）

They have been friends since they met in primary school. （自从他们在小学相遇以来，他们一直是朋友。）

Since the weather is nice, we can have a picnic in the park. （既然天气不错，我们可以在公园野餐。）

Since he lost his job, he has been looking for a new one. （自从他失业以来，他一直在找新工作。）

Since you are tired, you should go to bed early. （既然你累了，你应该早点睡觉。）

She has learned a lot of English words since she joined the club. （自从她加入这个俱乐部以来，她学了很多英语单词。）

Since the traffic is heavy, we may be late for school. （由于交通拥堵，我们上学可能会迟到。）

Since he got married, his life has changed a lot. （自从他结婚以来，他的生活发生了很大变化。）

Since you want to improve your skills, you need to practice more. （既然你想提高你的技能，你需要多练习。）

We haven't seen each other since last summer. （自从去年夏天以来，我们就没见过面。）

Since the meeting is important, we must attend it on time. （既然这次会议很重要，我们必须按时参加。）

Since she moved to this neighborhood, she has made many new friends. （自从她搬到这个街区以来，她交了很多新朋友。）

Since you have finished your homework, you can watch TV for a while. （既然你已经完成了作业，你可以看一会儿电视。

）