Operose
a. 费力的, 吃力的, 勤勉的, 用功的, 冗长乏味的
🗣️ 情景例句
You will never guess.
你绝对猜不到。
When an opportunity is neglected,it never comes back to you.
机不可失，时不再来；机会一过，永不再来。
Yes.
是的。