留心

See that the windows and doors are fastened.

留心一定要把门。

These should be thoughtfully noted.

这些应当留心注意。

The film producers say they were careful not to present their own opinions, simply letting the facts speak for themselves.

电影制片人声称们特别留心不把自己看法表出来，而让电影本身说话。

One day,he took me aside and promised me a sliver fourpenny on the first of every month if I would keep my eye open for a sailor with one leg and let him know the moment he appeared.

有一天把我拉到一边，向我保证每月初给我四便士，如果我能留心注意一个只有一条腿水手，并且在（水手）出一刻告诉。