害怕
挫败
痛苦
垂涎
frustrate：vt. 挫败；阻挠；使感到灰心 vi. 失败；受挫 adj. 挫败的；无益的
例句：The government has deliberately frustrated his efforts to gain work permits for his foreign staff.句意：政府蓄意挫败了他为其外国员工取得工作许可证的努力。
