得力: 1.(得益) benefit from 短语和例子得力于平时勤学苦练 profit from diligent study and practice2.(得到帮助) get help from 短语和例子我得她的力很不少。 i got much help from her.3.(有能力) capable; efficient; competent 短语和例子得力助手 cap
副手: assistant; helper 短语和例子他是你的得力副手。 he is a great help(er) to you