工夫

我們前幾天的工夫算是白花。

All the work I've put in on her for the past few days has just been wasted.

在開發者文檔中花上一番工夫去解釋其背後的思想

take pains in the developer's documentation to explain the thinking behind it

既然你沒有工夫，你就不必參加茶會了。

Since you have no time, you need not attend the tea party.

「如今才九月半，還有四五個月的工夫，什麼病治不好呢？」

“It's only the middle of the ninth month now. You've got four or five months' time still, quite long enough to recover from any illness.”

她到處追逐想象中的老鼠和松鼠，一眨眼的工夫就從桌子上跳到椅子上。

She raced around, chasing imaginary mice and squirrels, and vaulted from table to chair in the blink of an eye.

他躺著一動不動有半天的工夫，拼命掙脫昏迷的控制。

For half a day he lay motionless, trying to fight off unconsciousness.