do without (sb/sth)
(used esp with can and could 尤与can和could连用) manage without sb/sth 不用或没有某人[某事物]也行
He can´t do without (the services of) a secretary. 他不能没有秘书(的协助).
If we can´t afford a car, we´ll just have to do without (one). 我们要是买不起汽车, 也就只好不用(汽车)了.
I could have done without being (ie I wish I hadn´t been) woken up at 3 o´clock in the morning. 其实用不着在清晨3点钟就把我叫醒吧.