nevertheless与nonetheless

NONETHELESS使用范围较窄.
nevertheless---------
尽管如此；不过；可是；然而
She was very tired, nevertheless she kept on working.
她虽然很疲倦，可仍在继续工作。

He's stupid, but I like him nevertheless.
他是很笨，然而我喜欢他。

We are going nevertheless we shall return.
我们要走了, 不过我们还要回来。

She was very tired, nevertheless she kept on working.
她虽然很疲倦, 然而她却继续工作。

He succeeded nevertheless.
不过他还是成功了

nonetheless
adv.
尽管如此；仍然；可是；不过 （亦作： none the less）
=Nevertheless; however.
仍然；不过

Although mockingbirds superbly mimic the songs and calls of many birds, they can nonetheless be quickly identified as mockingbirds by certain aural clues.
尽管模仿鸟学很多种鸟的鸣叫声惟妙惟肖，但人类还是能够依其声音上的线索很快识别它们。