1.cookery
烹饪，烹调
the art or activity of preparing and cooking food
They buy books and watch cookery programmes on TV and will cook a little bit.
2.sinister
不祥的，凶兆的，阴险的
There is another，more sinister，possibility.
making you feel that sth dangerous，evil or harmful might happen
The people he worked around were bullying and sinister.
3.refinement
彬彬有礼，有教养
politeness and good manners
She could not stand his lack of refinement.
Being people of great refinement，they did not want to offend you so deeply as not allow you the honor of paying the bill.
提炼，精炼
the process of making sth purer by industrial refining
The plan includes increasing taxes on improted sugar and giving tax breaks to anyone who wants to invest in local sugar refinement.
完善，修正，改进
a small change or addition that you make to sth in order to improve it
Researchers say with additional refinements，the new surgical tool may soon be in wider use.
4. steep
（斜坡，山等）陡的，陡峭的
（of a slope，hill，etc）rising or falling quickly，not gradually
They have a steep climb ahead of them.
You'd better watch your step'cause the path is steep.
（数量的上升或下降）突然的，急剧的，大起大落的
（of a rise or fall in an amount）sudden and very big
Rich coutries did not experience steep declines in happiness.
There's likely to be a steep drop in the cost of petrol.
5.analogous
相似的，类比的，类似的
if one thing is analogous to another，the two things are similar in some way
analogous with/to sth
I'm listening to upbeat music because taking the test is analogous to eating drain hair.
