ADJ-GRADED 不显著的;不容易被注意到的;不引人注目的 If you describe something or someone as unobtrusive, you mean that they are not easily noticed or do not draw attention to themselves. 不显著的;不容易被注意到的;不引人注目的 [formal]
The coffee-table is glass, to be as unobtrusive as possible.
那张咖啡桌是玻璃的,为的是尽量不惹眼。
He managed the factory with unobtrusive efficiency.