depress
单词辨析：
指使人心情不好、不高兴。
Losing his job really depressed him.
丢了工作让他很沮丧。
That book depressed him.
那本书让他看得心情郁闷。
指使人失去信心或泄气，常可与 demoralize 换用。
Don't let one failure discourage/demoralize you! You can do it!
别失败一次就灰心！你能行的！
She is easily discouraged/demoralized by obstacles.
她一遇到阻碍就泄气。
较正式用词，指使人失去希望和信心。
Don't let the defeat dishearten you! Remember that Rome was not built in a day.
不要因为失败而灰心！要知道成功不是一蹴而就的。
相关例句：
But Mr Bernanke may explain how high commodity prices can depress the economy, and prices.
但伯南克也许会解释，大宗商品价格高企将会如何抑制物价和经济增长。
Drugs that depress sympathetic nervous activity frequently reduce BP in patients with primary hypertension.
抑制交感神经活性的药物可以降低原发性高血压病人的血压。
I am depress due to I always worry about the safety of my children.
我很压抑，由于我总是担心我的孩子们的安全。
The ends have two flanges that allow you to easily depress the spring to install or remove.
两端有两个法兰盘，让您轻松地抑制弹簧安装或删除。
The gloomier sentiment surrounding manufacturing demand for raw materials helped depress commodity prices and related stocks.
围绕制造业原材料需求的更悲观情绪，打压了大宗商品及相关股票的价格。
In circular fashion, this could serve to depress even further the prices of securities in this bankrupt company.
在循环的时尚中，这会进一步导致这家破产公司证券价格的下跌。