抓紧

Hold the ladder tightly and move up a rung at a time.

梯子一级一级地往上爬。

His clutch was not tight enough and he fell from the scaffolder.

"他没脚手架,跌了下来。"

Clutch stair armrest, move carefully step by step.

楼梯扶手，一步步谨慎地移动。

You will have time for a hasty snack before the train leaves.

火车离站前你还能时间吃一顿快餐。

They’re working against the clock to try and get people out of the rubble alive.

他一切时间努把人活着里救出来。

We’ve only got two days to find a replacement,so we’re racing against time.

我只有两天的时间找接替者，所以我正在工作。

"Seize the day, seize the hour!"

要只争朝夕。;要每日每时。

She will be leaving the country soon, so if you want to ask her anything you must take time gby the forelock and do it now.

她很快就会离开本国，如果你想向她请求什么就得时机，立刻行动。