infallibly
adv. 绝无错误的
例句
He must make the proper use of his opportunities or he will infallibly perish.
他必须善加利用机会，否则他必定毁灭。
When the rate of interest rise, such a person's expenditure must almost infallibly be reduced.
当利率上升时，这样一种人的支出几乎无疑问地会减少。
If they are real, they will infallibly be discovered, without your pointing them out yourself, and with much more advantage.
如果你真有这些优点，他们肯定会被别人发现，不必你亲自指出，而这样对你更有利。
