Not only ~, but also ~, Not just ~, but ~ as well

only ... and nothing else, nothing but, just this much

It goes without saying that, It is needless to say, No need to mention

Never, By no means

Cannot afford to, No way to, It's not possible to do given the circumstances

Not willing to, Not make an effort to, To not attempt or try to

Perhaps, Maybe, Possibly

Even if ..., Supposing that ..., No matter how ... and yet ...

To my great surprise, To my astonishment, What a ...

How…, What…, God knows...

Why? Well..., If you ask me why..., The reason is...

If you ask me..., If I had to say, If I were to say

in terms of, speaking of, to put it in terms of

one at a time, per, each

by far, much more, far more

Completely covered in, Full of, Riddled with

However, Nevertheless, To be fair

Again, Once more, A second time

the quality of being ~, the state or character of ~, ness; essence of ~

about the same as, about as, no less