unobtrusively
英
美
adv. 谦虚谨慎地; 不显眼地；小心翼翼地
BNC.19768 / COCA.25465
英英释义
adv
- in an unobtrusive manner
- messengers were moving unobtrusively over the jet-black mountain ranges, bearing confidential tidings from sheikhdom to sheikhdom