汉：来源于希腊语，意为“under,less”，与其意思相反的前缀是hyper。
英：word-forming element meaning "under, beneath" (in chemistry, indicating a lesser oxidation), from hypo-, comb. form of Gk. hypo (prep. and adverb) "under," from PIE *upo- "under, up from under, over" (see sub-).
1.hypochondriac
n.one who suffers from morbid anxiety 忧郁症患者 *hypo(=under),chondr(=pulverize)
例句：Greg's constant illness is genuine.He's not a hypochondriac.格雷格不断生病是真的，但他不是忧郁症患者。
2.hypocrisy
n.outward show;deceit 伪善 hypo(=under),cris (=choose)
例句：He preaches against infidelity while everyone knows he is having an extramarital affair himself. What hypocrisy!所有人都知道他的婚外性行为，他却鼓吹什么反对不忠行为。多么虚伪！
3.hypocrite
n.one who plays to win favor;a dissembler 伪君子
Criticize his decision and I'm afraid people will say you are a hypocrite.如果你批评他的决定，我担心人们会说你是个伪君子。
4.hypodrmic
adj.pertaining to the area under the skin 皮下的
n.a syringe for giving under-skin injections皮下注射 *hypo(=under),derm(=skin)
例句：Several hypodermic needles and other drug paraphemalia were found in his room.在他的房间里发现了多个皮下注射针头和其他的一些随身药品。
5.hypothesis
n.something which is assumed to be true for the sake of argument or as a starting-point for an inquiry,although its truth has not been proved假设，假定 *hypo(=under),thes(=put)
例句：Remember,it is only a hypothesis.It has not been proven to be absolutely true.请记住，这只是一个假设，并没有被证实是绝对正确的。