Nonetheless, he was continuously frustrated by his own, rather embarrassing, lack of success.

尽管如此，他自己的试验却一再受挫，没有取得过成功，使他困窘不已。

youdao

Nonetheless, he was continuously frustrated by his own, rather embarrassing, lack of success.

尽管如此，他自己的试验却一再受挫，没有取得过成功，使他困窘不已。

youdao