make a guess at

Often managers must make a best guess at that the future will be and try to leave as little as possible to chance, but since uncertainty is always there, risk accompanies decisions.

管理者常常必须对未来的情况作出最佳的猜测，使偶然性尽可能少地发生。但是因为总是有不确定的因素，所以决策往往伴随着风险。

Decision makers should be able to make a best guess at what the future will be.

决策者应该能够对将来做出最好的推测。

Make a guess at the answer.

猜一下答案。

It is perhaps true to say, therefore, that the real purpose of an interview is not to assess the assessable aspects of each candidate but to make a guess at the more intangible things, such as personality, character and social ability.

因此，也许可以说面试的真正目的不是评估每一个应聘者可评估的方面，而是对其无形的方面进行推测，比如，个性，性格及社交能力。

You might have been able to make a guess at who she was.

你本来能够猜到她是谁。

It is not easy to make a guess at a man's age.

男人的年龄很难猜测。

Pull out a napkin, put a value in the numerator and make a guess at the denominator.

拿出一张草稿纸，把价格写下来当分子，再评估一下分母。