无效 meaning in Chinese
of no avail; to no avail; invalid; null and void; nullity (合同等的); in vain; unavailability; ineffectiveness; inefficiency; futility; flop 短语和例子
Examples
- Without the latter, the former is of no avail .
没有后者，前者是无效的。 - They tried in vain to frighten him with threats .
他们百般恫吓，依然无效。 - This medicine turned out ineffective .
这药证明是无效的。 - A promise obtained by force is legally null .
一个以武力获得的契约在法律上是无效的。 - All rescue measures proved ineffectual .
抢救无效。