make certain of造句

You'll have to leave soon to make certain of getting there on time.

You'd better leave now if you want to make certain of getting there on time.

In order to make certain of the wife's fidelity and therefore of the paternity of the children, she is delivered over unconditionally into the power of the husband;

Spies cannot be usefully employed without a certain intuitive cannot be properly managed without Benevolence and straightforwardness. Without subtle ingenuity of mind, one cannot make certain of the truth of their reports.

In case a foreigner or a person of non-nationality applying for naturalization as a R.O.C. national shall make certain of his/her Chinese family name.

Through experiment, the result shows that the method has the advantage of faster learning rate, higher calculating precision, that it can be used to make certain of aero-engine theoretic speed.