1、measure

衡量；估量;评估;判定

I continued to measure his progress against the charts in the doctor's office.

我继续比照医生办公室里的图表来判断他病情的发展。

A grammar school's success was measured in terms of the number of pupils who got into university.

一所文法学校成功与否是以考上大学的学生人数为衡量依据的。

测量;度量;计量

Measure the length and width of the gap.

测量一下这条缝隙的长与宽。

He measured the speed at which ultrasonic waves travel along the bone.

他测出了超声波穿过骨头的速度。

相当数量;一定程度

With the exception of Juan, each attained a measure of success.

除了胡安之外，每个人都获得了相当大的成功。

The colonies were claiming a larger measure of self-government.

殖民地正要求获得更大程度上的自治。

2、alert

警觉的；警惕的；留神的；机敏的

We all have to stay alert.

我们大家都必须保持警惕。

He had been spotted by an alert neighbour.

一个警觉的邻居发现了他。

向…报警；使警觉；使警惕；使注意

He wanted to alert people to the activities of the group.

他想提醒人们小心该团体的活动。

I was hoping he'd alert the police.

我当时希望他会报警。