harmless

adj.

无害的，不致伤的；没有受到损失或免于法律责任的；

hold harmless免受损害协定；使不受损失

1. She developed a few harmless eccentricities.
   她逐渐养成一些无害的癖性。
2. No cigarette is completely harmless.
   没有香烟是完全无害的。
3. I made a harmless remark to some guy at the bar and he swung at me.
   在酒吧里我向某个家伙说了句无恶意的话，他就向我打了一拳。
4. The bomb blast killed several harmless passers-by.
   炸弹爆炸使几个无辜行人受伤。

Mostly Harmless Econometrics
Mostly Harmless Econometrics
The not-so-harmless axion
Harmless herbs? A review of the recent literature.
Mostly Harmless Econometrics: An Empiricist's Companion
Mostly harmless econometrics : an empiricist's companion
'Spice' and other herbal blends: harmless incense or cannabinoid designer drugs?
A simple solution to the strong CP problem with a harmless axion
Generation of anergic and regulatory T cells following prolonged exposure to a harmless antigen
Essential Role of Lung Plasmacytoid Dendritic Cells in Preventing Asthmatic Reactions to Harmless Inhaled Antigen