Careful—you're messing my hair.
小心—你弄乱我的头发了。
The trip needs careful planning.
这次旅行需要认真计划。
The report repays careful reading.
这份报告值得仔细阅读。
He folded the paper carefully.
他小心地把那张纸折起来。
He carefully knotted his tie.
他仔细地打着领带。
It's your own fault for being careless.
你粗心大意是你自己的过失。