Proficient: able to do something well because of training and practice 熟練的;嫻熟的;精通的;訓練有素的 adjective ~ (in/at sth) ~ (in/at doing sth) written
She's proficient in several languages.
她精通好幾種語言.
He's proficient at his job.
他的工作效率很高.
I'm a reasonably proficient driver.
我開車的技術還算不錯.

uphill: an argument or a struggle that is difficult to win and takes a lot of effort over a long period of time 漫長而艱難的,費力的(戰斗、斗爭、任務等)

Utensil: a tool that is used in the house (家庭)用具,器皿;家什 noun
cooking/kitchen utensils
炊具;廚房用具

hazy: of a person 人 uncertain or confused about something 主意不定的;困惑的
I'm a little hazy about what to do next.
我還有點拿不準下一步要做什么呢.

etiquette: the formal rules of correct or polite behaviour in society or among members of a particular profession (社會或行業中的)禮節,禮儀,規矩 noun uncountable
advice on etiquette
在禮節方面的忠告
medical/legal/professional etiquette
醫學界的／法律界的／行業規矩