careful的副词形式是
carefully 小心地；
carelessly 粗心地；不注意地；无忧无虑地；
careful
adj. 仔细的，小心的
The trip needs careful planning.
这次旅行需要认真计划。
From now on I\'ll be more careful.
从今以后，我会更加细心。
He should have been more careful.
他应当更小心点儿才是。
The report repays careful reading.
这份报告值得仔细阅读。
