1. observe vt. 观察; 研究
例句:All the football match spectators were able to observe orders in the stadium.
球赛观众都能遵守会场秩序。
2. attack vt. 攻击,进攻
例句:If you provoke the dog, it will attack you.
如果你去招惹那只狗,它就会咬你。
3. suggest vt.建议,提议
例句:But reports suggest huge job losses.
但报告暗示了巨大的就业岗位流失。
4. celebrate vt.庆祝; 歌颂
例句:Families always celebrate thanksgiving together.
家家总是一起庆祝感恩节。
5. perform vt. 执行; 履行
例句:You can perform mail merges with this software.
你也可以用它来执行邮件合并。