书籍 Total English - 中级 - 第 9 单元 - 第 2 课

feeling very happy, interested, and energetic

making us feel interested, happy, and energetic

feeling extremely tired physically or mentally, often due to a lack of sleep

causing one to feel very tired and out of energy

tired and unhappy because there is nothing to do or because we are no longer interested in something

making us feel tired and unsatisfied because of not being interesting

feeling afraid, often suddenly, due to danger, threat, or shock

causing one to feel fear

needing to sleep or rest because of not having any more energy

(particularly of an acivity) causing a feeling of physical or mental fatigue or exhaustion

feeling very unhappy and having no hope

making one feel sad and hopeless

feeling calm and at ease without tension or stress

helping our body or mind rest

feeling uncertain or not confident about something because it is not clear or easy to understand

not clear or easily understood