2.The trouble was sparked off by an apparently harmless phrase.
这场麻烦是由一句明显无恶意话引起。
3.He certainly seems harmless enough, but is he a wolf in sheep’s clothing?
看起来他倒是十分和善,但会不会是披着羊皮狼?
4.This method was at low cost, harmless and suitable for extracting,separating and preparing mesaconitine,aconitine and hypaconitine.
方法中所剂成本低、毒性小,适于乌头碱、中乌头碱、次乌头碱提取分离以及对照品制备。
5.The purple pigment which is asbtracted from the Althaea roseal is a harmless natural dystuff.This article introduces the research of the purple pigmenting from the althaea roseal and its stability.