柯林斯词典off day (also off-day) (off days) 1. N-COUNT If someone has an off day, they do not perform as well as usual. 未能發揮正常水平; 狀態不佳[非正式] A teacher who merely has an off day in the classroom cannot be dismissed for incompetence. 一個教師偶爾在課堂上發揮欠佳不能被看成不稱職而遭免職。 返回 off day