1 upstairs /ˌʌpˈsteɚz/ adverb Learner's definition of UPSTAIRS
1
: on or to a higher floor of a building在(或向)楼上;在(或向)上一层 -
When you go upstairs, bring these towels with you.上楼时把这些毛巾带上。
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My in-laws live upstairs.我的姻亲都住在楼上。
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She was on her way upstairs when she heard a car drive up.她正准备上楼,听到有汽车开了过来。
2
informal : in the head : mentally or intellectually脑力上;精神上;智力上
kick (someone) upstairs
— see 1kick 2 upstairs /ˈʌpˈsteɚz/ adjective Learner's definition of UPSTAIRS
always used before a noun
: located on a higher floor of a building楼上的 3 upstairs /ˈʌpˈsteɚz/ noun Learner's definition of UPSTAIRS
the upstairs
: the upper floors of a building楼上