speculate

1. V-T/V-I If you speculate about something, you make guesses about its nature or identity, or about what might happen. 猜测

Critics of the project speculate about how many hospitals could be built instead. 该项目的批评者们则猜想这相当于可以建多少家医院。

The doctors speculate that he died of a cerebral haemorrhage caused by a blow on the head. 医生们猜测他死于头部撞击引起的脑溢血。

2. speculationN-VAR 猜测

The president has gone out of his way to dismiss speculation over the future of the economy. 总统努力消除对未来经济的悲观估测。

3. V-I If someone speculates financially, they buy property, stocks, or shares, in the hope of being able to sell them again at a higher price and make a profit. 做投机买卖

The banks made too many risky loans which now can't be repaid, and they speculated in property whose value has now dropped. 银行贷出了太多现在无法偿还的风险贷款，而且他们在房地产业做了投机买卖，其价值目前也已经下跌。