应做

• be meant to do

例句

1. 他答应做这项工作，但到最后一刻却突然不干了。
   He promised to do the job, but he jacked up at the last moment.
2. 不用谢--这是我应做的工作。
   There's no need to thank me I was only doing my job.
3. 不果断的人不应做领导。
   Anyone who lacks decision (ie who hesitates, can't decide questions) shouldn't be a leader.