Từ vựng
discouraging — The test results were discouraging for the team. — /dɪsˈkʌr.ɪ.dʒɪŋ/ — làm nản lòng, đáng thất vọng — adjective
improvement — There has been a noticeable improvement in her speaking skills. — /ɪmˈpruː.vmənt/ — sự cải thiện, tiến bộ — noun
confined — The project's benefits are confined to a small area. — /kənˈfaɪnd/ — bị giới hạn, bị thu hẹp — verb (past participle)