| 例句 |
improviseverb to perform, make, or do without preparationsince the award was a complete surprise, I improvised an acceptance speech ad-lib, clap (together or up), extemporize, fake concoct, contrive, cook (up), devise, fabricate, hatch, invent, make up, manufacture, think (up)cobble (together or up), dash (off) arrange, lay, prepare, readyconsider, contemplate, ponder, studyexercise, practice(also practise), rehearse in 1788 |