Operose
a. 费力的, 吃力的, 勤勉的, 用功的, 冗长乏味的
🗣️ 情景例句
As simple as that.
就这么简单。
You'd better run or you're going to be left behind.
你最好跑不然你将落在后面。
It has sailed across the Atlantic many times.
它已经多次横渡大西洋。