1.mutate into 变异成
Scientists warn that the virus could mutate into a much deadlier form.
科学家们警告，该病毒可能变异成更致命的形式。
Experts fear the virus could mutate into a form that could be transmitted between.
专家担心病毒可能会变异为能在人际之间传播的病毒。
2.according to 根据，按照
Again this is according to recently declassified information.
这也还是根据最近解密的信息得知的。
It did not go according to plan.
这个妥协方案并没有按计划执行。
3.wait to 等待
Oh, I can't wait to get sous-neath him.
噢,我都快等不及要上了。
Can't wait to her the new music!
实在等不及听到他们的新专辑啦！
4.set up 建立；准备； 安排
Saudi arabia has set up an anti-corruption agency.
沙特已经建立了一个反腐机构。
The students also set up debating teams.
学生们还成立了辩论队。
