This Unit, which is about high frequency expressions, has given me a complete understanding of 50 phrases from the Human Education Press high school English Unit 2. This set covers vocabulary, grammar, and context, so they can be directly used in compositions and oral communication. For example, when writing about a farmer’s family, you can directly write it into the beginning of the essay to highlight the rustic atmosphere. Using go to bed hungry instead of a long sentence creates a vivid image. If you think of someone as something, using consider sb as sth gives a more formal tone. Work the land is more authentic than “种地”, and it conveys the dynamic feeling of tilling. Struggle for/against/with sth can be used interchangeably in argumentative essays to add depth. The past five decades is a great opening for essays on technology and environmental protection, giving a broad background. A high output makes the meaning of “产量高” more specific. In graduation speeches, use graduate from instead of at for a more formal tone. His life goal can be put at the front to speed up the sentence rhythm. The great need for sth is a classic approach in argumentative essays by presenting the problem first and then the solution. A disturbing problem has a stronger impact than just problem. Search for has an extra layer of exploration beyond finding something. Expand the area differentiates between enlargement and increase. Circulate his knowledge gives an academic tone to the term spreading knowledge. Thanks to his research adds a stronger turn of phrase than because. Twice as large as is more advanced than “是……两倍” in comparative form. Rid of is a fixed collocation used in environmental protection or poverty alleviation essays. Be satisfied with/care about/would rather do sth than do sth covers all expressions for satisfaction, concern, and choices without repeating “I like/I prefer”. Equip with/be equipped with/equip sb for sth are three different expressions for equipment, preparedness, and training in experimental or training contexts. Cost nothing implies zero cost better than free for economic articles. With the hope of is simpler than hope to do when used as an adverbial phrase. Awake from his dream indicates a transition from dreams to reality, fitting stories about change. Export his rice sounds more official than sell overseas. Care for has three meanings: like, care about, and take care of. Lead to/be related to are essential in cause-effect or research articles. The remaining farmland is more specific by first limiting the scope before describing it. Confuse A with B conveys the meaning of mixing up two things more than just being confused. Remember to do/remember doing should be memorized separately to avoid confusion. Try to do/try doing have different meanings: trying to do emphasizes willpower while trying doing emphasizes action. Chemical fertilizers/a natural fertilizer contrast automatically brings up environmental issues. Cause damage to/wash off show long-term and short-term impacts in pollution-related texts respectively. Build up/over time/turn to/organic farming/focus on/keep free from/every few years/carry away/taste the difference/This is good value because…/What’s the advantage of…?/encourage sb to do sth/courageous/discourage/discouraged cover many high-frequency points in technology evaluation encouragement attitude etc.