hush something ↔ up phrasal verbphr v SECRETto prevent people from knowing about something dishonest or immoral 隐瞒，遮掩〔不诚实或不道德之事〕 SYN cover up The whole affair was hushed up by the government. 政府隐瞒了整个事件。
hush up• I should only want to hush it up.• I was away at the time, so they decided to hush it up.• In fact I know about one occasion when it was robbed, though they've mostly hushed it up.• The Government hushed it up in the name of trade.
→ hush something ↔ up at hush1(1)