您要查找的是不是：
- It was quite a feat to move that piano by yourself. 你真有能耐，一个人挪动那架钢琴。
- You can't go mountain climbing by yourself. 你不能自己去登山。
- Did you do your homework all by yourself? 你是独立完成的家庭作业吗？
- I believe that you can work out this problem by yourself. 我相信你自己能做出这道题的。
- How long were you by yourself in the classroom? 你独自一人在教室里多长时间了?
- Are you sure you did this exercise by yourself? 这个练习真是你自己做的吗?
- Since you are already of age now, you should solve the problems by yourself. 你已经成年了，这些问题要自己解决。
- You can adjust the room temperature by yourself. 您可以自己调节一下房间的温度。
- You should make your bed by yourself. 你应该自己动手把床铺整理好。
- What rot do you get to thinking by yourself? 你一个人在想些什么鬼名堂?
- You'd better not do the experiment by yourself. 你最好不要单独一个人做试验。
- You can not go mountain climbing by yourself. 你不能自己去登山。
- It's your job,you shall do it by yourself. 这是你的工作。你应该自己做。
- It's your job. You should do it by yourself. 这是你的工作。你应该自己做。
- Don't cling to me,go and play by yourself. 不要缠住我，自己去玩吧。
- Then you'll have to do the work all by yourself. 那么工作就全由你来做了。
- How long were you by yourself in the house? 你自己一个人在屋里呆了多长时间?
- To give somebody a try or to try by yourself. 尝试,给某人或某物一次尝试的机会。
- Do not on any account walk home by yourself. 无论如何别独自一人步行回家。
- I'd prefer you not to go by yourself. 我更希望你不要自己去。
