speculate

speculate

动词 speculate:

to believe especially on uncertain or tentative grounds

同义词：theorize, theorise, conjecture, hypothesize, hypothesise, hypothecate, suppose

talk over conjecturally, or review in an idle or casual way and with an element of doubt or without sufficient reason to reach a conclusion

reflect deeply on a subject

同义词：chew over, think over, meditate, ponder, excogitate, contemplate, muse, reflect, mull, mull over, ruminate

invest at a risk

同义词：job