long的副词形式是：long
Oh, how she longed to win him to converse !
啊，她多想同他款款而谈！
For a long time his fate was in the balance .
他的命运很久不能确定。
He was never long absent from my side .
他从未长时间离开过我的身边。
He tends not to stay in one place for very long .
他在哪儿都呆不长。
At long last a compromise was agreed on .
通过互让最终达成折衷协议。
The individual septum can no longer be seen .
各个间隔再也不能看出。
I thought you always liked long books .
我记得您总是喜欢看大部头书。
The two parties reached a secret agreement long ago .
双方早有默契。
Waiting any longer could be even more dangerous .
再等就会更加危险。
After a long time they get mean .
久而久之，他们的心眼儿就都变坏了。
After a long exile, he was home .
长期在外游历之后，他终于回家来了。
Lydia let out her breath in a long sigh .
利季娅心中一块石头落了地。
If you ask me , he has not got long to live .
恕我直言，他活不长了。
I do n't feel up to such a long journey .
我不能胜任这样的长途旅行。
It is a long hard slog up the mountain .
上山是一段长长的艰难的路。
1.
long用作副词时，其基本意思是“长久地”,主要用于修饰静态动词,表示时间延续之长。
2.
long还可作“久远地”解,表示动作发生于很久之前或之后,一般位于副词或介词短语之前。
long有多种词性，是形容词，也是副词
形容词adj.长的;
长时间的;
冗长的，过长的;
长音的;
副词adv.长久地;
始终;
遥远地;
名词n.长时间，长时期;
[语]长音节;
（服装的）长尺寸;
长裤;
动词vi.渴望，极想
