1590s, from Latin innocuus "harmless," from in- "not" (see in- (1)) + nocuus "hurtful," from root of nocere "to injure, harm," from *nok-s-, suffixed form of PIE root *nek- (1) "death" (see necro-). Related: Innocuously; innocuousness.
实用例句
1. It seemed a perfectly innocuous remark.
那像是一句毫无恶意的话。
来自《权威词典》
2. The question appeared innocuous enough, but I still did not trust her.
这个问题看来没什么恶意, 可我仍然不相信她.
来自《简明英汉词典》
3. The liquid looked fairly innocuous.
这种液体看来没什么危险.
来自《简明英汉词典》
4. Even innocuous substances can sometimes register a positive result in a drug test.
即使无害的物质在药物测试中有时也会呈阳性.
来自《简明英汉词典》
5. Both mushrooms look innocuous but are in fact deadly.