1.think of 想起;考虑
例句:It behoves us to think of these dangers.

我们必须考虑到这些危险。

2.make up 弥补

例句:While renewable sources of energy will make up the fastest-growing segment of the fuel mix in the future, fossil fuels will remain the dominant source.

尽管可再生能源将是未来燃料组合中增长最快的组成部分，但石化燃料仍将占据主流。

3.able to 能;会

例句:He had never been able to disbelieve it completely.

他从未能够对此予以全盘否定。

4.reluctant to 不愿

例句:Criminals are very reluctant to leave a paper trail.

罪犯非常不愿意留下案底。