in AM, use 美国英语用 lackluster
ADJ-GRADED 无生气的;无活力的;单调乏味的 If you describe something or someone as
lacklustre, you mean that they are not exciting or energetic.
无生气的;无活力的;单调乏味的 View usage for:All yearsLast 10 yearsLast 50 yearsLast 100 yearsLast 300 years