1. 尽最大努力：as a whole 总体上 | as best one can 尽最大努力 | as concerns 关于

2. 竭力：as best as one can 尽最大努力 | as best one can 竭力 | as best one may 尽最大努力

3. 尽最大能力：as a general rule 一般说来 | as best one can 尽最大能力 | as best one may 尽力想方设法

4. 尽最大努劦：as a whole 总躰仩 | as best one can 尽最大努劦 | as concerns 关于