Frank Spriggs was a very able man but something of a closed book.
弗兰克· 斯普里格斯是个非常能干的人，却不被人所知晓。
《柯林斯英汉双解大词典》
2
"This represents the best opportunity we've had yet," says Spriggs, "to find out who the Lapita actually were, where they came from, and who their closest descendants are today."