“从头开始”用英语怎么翻译

Start over again 是（重新/再）从头开始
start from the beginning/from scratch 是（没有基础）从头开始。

选择哪个，要看你要表达的具体意思了。

从头开始
1.from square one
2.From scratch
3.From the very beginning
4.start from scratch

重新开始，从头开始
1.renew
2.C. renew

从头开始，重新开始
1.home start

从头开始，白手起家
1.from scratch
2.start from scratch

（坚持从头开始）
1.keep on beginning

start all over

If the worst comes to the worst, we'll start all over again.
大不了再从头开始。

start from the beginning

to start from the very beginning