adv.刻苦地,煞费苦心地;精心;勤勤恳恳;刻意;
例句:
He's always painstakingly at his books.
他总是在埋头苦读.
Success always goes to those who do their job painstakingly.
成功永远属于用心做事的人.
What be is is mystical force incentive people fought so painstakingly?
是什么神奇的力量激励着人们如此苦斗?