prep.介系詞在...外面Your request is outside what we can do
adv.副詞外The house is so old it only has an outside toilet
n.名詞外部The outside of the car was very dirty after his road trip
adj.形容詞外部的We need outside help to finish this project.
n.名詞可能性很小The outside chance of winning is very slim.
adj.形容詞外部的The outside temperature is freezing.
adj.形容詞外面的He is an outside consultant.
prep.介系詞除了Outside of work, I enjoy hiking.