只有照顾好自己你才会成功 翻译成英语

You take care of yourself until then you can be successful.
这算是比较通顺了

You will succeed only if you take good care of yourself.

you can succeed unless look after yourself

You will succeed, only if you take good care of yourself.

You won't get succeed until you could take good care of youself.

you can succeed only by taking good care of yourself