мягко выражаясь, она была не очень

мягко выражаясь, она была не очень красива
чтобы сразу понять это
есть еще одно дело, которое нужно сделать

Results (English) 1:

to put it mildly, it was not very prettyto understand thisThere's still one thing you want to do

Results (English) 2:

to put it mildly, it was not very nice
to immediately understand this
there is one thing that needs to be done

Results (English) 3:

to say the least, she was not very pretty

to immediately understand that there's one more thing to do