第五节 将下列括号中汉语翻译成英语 ：
86. To some people, happiness________________________（意味着为家人和朋友簇拥）but to others, it means success.
87. The teacher _________________（致力于教育事业）so that she is well loved by her students.
88. It______________________（有待观望）whether she will get better or not after the treatment.
89. ____________________（振作起来）.Don’t be discouraged.
