相关单词近義詞 offhand 即時的, offhandedly 立即地, ad-lib 即興縯唱, impromptu 即蓆的, unrehearsed 未經排練的, extempore 即興的, extemporaneous 即興的, off-the-cuff 未預備的, extemporary 儅場的臨近詞off, offkey 返回 offhanded