To one's surprise这个短语正确吗?

to one's surprise位于句首，是副词短语？还是介词短语？还有这个短语在句中是作状语吗？如果是，那它作什么状 to one's surprise do one's best to do sth这个短语正确吗? be surprise at To one's surprise to one's surprise是什么意思 关于to one's surprise 有没有in one's surprise这个短语的用法吖! to one's surprise 或 to the surprise of sb有着两个用法吗 to one's surprise 等于 be surprised 吗 surprise sb./to one's surprise 各怎么翻译 to one's surprise的词性 用to one's surprise造句