adj.无光泽的；呆滞的
=lackluster
They hoped to remedy their lacklustre performance by a few changes in personnel. 他们希望做若干人事调动来改进毫无起色的工作表现。
I hadn't seen children with distended bellies and lacklustre eyes. 我没有见到肚子鼓起，两眼无神的孩子。
