mightily
adv. 很，非常，很大程度上；竭尽全力地；猛烈地
例句
Hendon moved on again, mightily contented with the answer--but astounded at it too.
亨顿又继续往前走，对这个答案非常满意——但也很惊讶。
He had given a mightily impressive performance.
他的表演让人印象极为深刻。
《柯林斯英汉双解大词典》
She strove mightily to put Mike from her thoughts.
她拼命地想忘却迈克。
