1. at stake 處于危險中
The life of the sick man is at stake.
病人已經危在旦夕 。
2. a tract of 一塊(土地)
That is a tract of timberland that has been clear-cut.
那是一片被伐光的林地 。
3. the crowds of 一群
The crowds of protesters appeared to be smaller on Wednesday than on previous days.
周三的示威人群看來比前些天規模略小 。
4. stand by 待命
Mechanic will proceed to the fire pumps rooms to stand by and await further instruction.
機械工應在消防水泵房內待命,等候進一步指令 。