engaged in, expressing, or based on conjecture rather than knowledge 推测的,猜想的 he gave her a speculative glance. 他向她投去狐疑的一瞥。
(of an investment) involving a high risk of loss (投资)冒风险的 ■(of a business venture) undertaken on the chance of success, without a pre-existing contract (生意上)投机的
派生 speculatively adverb speculativeness noun 语源
late Middle English: from Old French speculatif, -ive or late Latin speculativus, from the verb speculari (see speculate)