allergy to sth
变态反应;过敏反应
I have an allergy to animal hair.
我对动物毛过敏。
challenging
挑战性的;考验能力的
challenging work / questions / problems
具有挑战性的工作/提问/问题
a challenging and rewarding career as a teacher
富有挑战性且有意义的教师职业
display
(计算机屏幕上的)显示,显像
a high resolution colour display
高分辨率彩色显示
manner
礼貌;礼仪
to have good / bad manners
有/没有礼貌
It is bad manners to talk with your mouth full.
嘴里塞满了东西跟人说话是不礼貌的。
He has no manners (= behaves very badly).
他毫无礼貌。