To one's disappointment
令(某人)失望的是...
?? 詞語組成解析
to
[tu,t?]
prep. 向，朝著;到;關于;屬于;
adv. 朝一個方向的;到某種狀態;關閉;
a. 人們的；自己的
disappointment
[,d?s?'p??ntm?nt]
n. 失望，掃興;令人失望的行為（人）;
dis 不、無、相反 + appoint 任命 + ment 表示行為、行為的過程或結果 → n.失望;沮喪
??? 情景例句
Don't lose sleep over it.
別因為這事兒睡不著覺。
Who is to blame?
該怪誰？
so America and the EU have been trying to reach a deal which would eliminate the need to double-test many products.
美國和歐洲一直在尋求達成協議，以便為許多產品取消雙重檢查。