-（力量;能力）power;strength;ability;capacity:
eyesight;眼力
vitality;生命力
-{物}（改变物体运动状态的作用）force;energy;power:
magneticforce;磁力
tension;张力
-（专指体力）physicalstrength:
physicallystrongerthanotherpeople;膂力过人
amanofgreatstrength;beef;大力士
-（姓氏）asurname:
LiGuang力广
-（尽力;竭力）energetically;strenuously;vigorously:
tryallonecantoremonstrate;力谏
strivevigorouslytoimproveoneself[todobetter];力求上进
-（努力;尽力）doallonecan;makeeveryeffort:
notdoone'sbestinone'swork;notpullone'sweight办事不力
