1) for one thing, for another, above all things;
2) to begin/start with, next/besides/moreover, last/finally;
3) in the first place, in the second, in the third, (and) best of/worst of all;
4) one of these, another,(there is) still another(reason/factor); 5) first of all, second, third, in short/in sum.

1? 首先；其次；最重要的是；?
2? 首先；然后/此外/而且；最后；?
3? 第一，首先；第二；第三；最好的是/最糟糕的是；?
4? 其中一个；另一个；还有一个（原因/因素）；?