ph.
1. He rattled off the poem.
他急速地背诵那首诗。
1. They can rattle off mathematical formulae with ease while US college freshmen are still playing around and not yet settled into a serious learning mode.
2. Any Canadian primary school student can easily rattle off why Quebec City is so important to the country's history.
3. He can rattle off exact figures for any business division under the group.
verb
1. recite volubly or extravagantly
e.g. He could recite the names of all the chemical elements
Synonym: rattle down reel off spiel off roll off