adv.痛苦地;苦恼地;费力地
I looked painfully at the vase broken into pieces. 我痛苦地看着这个破得粉碎的花瓶。
He was painfully aware of his lack of experience. 他痛苦地意识到自己缺乏经验。
As a teenager I was painfully shy. 我十几岁的时候腼腆得很。
They trudged forward, more slowly and painfully than they had done yet. 他们脚步沉重地前进,比以前更慢更吃力了。