With all her faults, I still love her.
彼女にはもろもろ欠点はあるが,それでも大好きだ
with all one's strength =at full strength
力いっぱい
with all possible expedition
できる限りてきぱきと
with all the strength I have in me
私の力の及ぶ限り
with [in] amusement
おもしろそうに
with an affectation of calm
落ち着いたふりをして
with an affected smile
わざとらしい笑顔で
with an air of authority [triumph]
権威ある[勝ち誇った]様子で
with an air of importance
もったいぶって
with an almost arrogance
ほとんど高慢といってもいい態度で