1. retreat from 放棄；退卻
But this was actually one thing I couldn't do; I couldn't retreat from the party and the platform that I had given so much of my life to.
我不能離開我的黨，也不能放棄我這一生為之付出了這么多的政治綱領O@uU&Qs=oz[0@*uo(dQ。

2. make effort to do sth. 努力
she did not make efforts to publicize her works.
她沒有花力氣宣傳自己的作品;;HYq#Dg[ec~U]。

3. follow through 堅持到底
My problem was that I was an anger wimp and didn't follow through.
我的問題是，我愛生氣，又懦弱，做什么事也經常堅持不下來n^.NAvmJ_N)。

4. by definition 顧名思義；從定義來看
By definition, the capacitance is one farad when one coulomb of charge is stored with one volt across the plates of a capacitor.
根據定義，電容器兩極板的電壓差為一伏的情況下，電容器儲存一庫侖的電荷，電容量就為1法拉qBQyw8)iLmlNZhyE。