71. at all, after all　

at all 根本，全然；
after all 到底，畢竟，例：After all he is a child.

72. tall, high　

tall 常指人或動(dòng)物，例：He is tall.
high 常指物體。

73. fast, quickly　

fast 側(cè)重于指人或物體具有運(yùn)動(dòng)速度快的特點(diǎn)，例：run fast
quickly 側(cè)重指某事完成或發(fā)生的快，例：answer the question quickly

74. high, highly　

high 具體的高；
highly 抽象的高，高度的，例：think highly of

75. healthy, healthful　

healthy 健康的，健壯的；
healthful 有益于健康的，例：healthful exercise