1not fastened or tied沒有綁緊或捆住ADVERB | VERBSADVERB➤slightly微微鬆開的VERBS➤be解開▸➤come鬆開◇My button's come undone again.我的扣子又開了。➤leave sth留下⋯未綁緊◇He was wearing a white shirt with the first few buttons left undone.他穿着一件白襯衣,頭幾個扣子沒扣。➤get sth解開某物◇I can't get this knot undone.我解不開這個結。undone
adjective²
2not done未完成VERBS➤be未完成▸➤remain仍然未做▸➤leave sth留下⋯未完成◇We left the cleaning undone and went out for the day.我們沒做清洗就出門了。