be lacking in 缺乏(品质 /特点)
lack for ...(否定句) 缺乏......
10. in no time 很快,立刻
11. on one's feet (从病痛或挫折中)复原
12. in all directions 四面八方
13. Sb. lose / catch sight of .... 看不见 / 看见
Sb. / Sth. be in / out of sight 看得见 / 看不见
at first sight 第一眼
at the sight of... 一看见......就......
14. provided A with B 向A提供B
15. plenty of + [u] / [c] 许多
16. be previous to ... 早于......
17. compare A with B
compare A to B 把A与B作比较,把A比喻作B
18. for health reasons 出于健康原因
19. bend the rules 变通,放宽
20. on earth 究竟,到底
21. be under repair 在维修中
22. search for ... 寻找
23. assist sb. in /with sth.
= assist sb. in doing sth.
= assist sb. to do sth. 帮忙,协助某人去做某事
24. go soft 变软
25. speak in whisper 低声地说
26. be optimistic about ... 对......乐观