helpful.
adj. 有幫助的；有用的
示例：These things are helpful for my life.
而且對(duì)我的生活是有幫助的。
grateful.
adj. 感激的；令人愉快的
示例：These refugees are very grateful to the government's succor.
這些難民非常感激政府的救援。
awful.
adj. 糟糕的；可怕的；充滿敬畏的；難受的
adv. 極其
示例：I left Harvard with no real awareness of the awful inequities in the world.
當(dāng)我離開(kāi)哈佛時(shí),我并沒(méi)真正有意識(shí)到這個(gè)世界存在著可怕的不平等現(xiàn)象。