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- The L.P.G. is made of pay increase up line (alert line), pay increase datum line and pay increase down line. 而工资指导线由工资增长上线（警戒线）、工资增长基准线和工资增长下线组成。
- One should not run about aimlessly during an alert. 空袭警报期间不可到处乱跑。
- She is always on the alert for some new calamity. 她总是保持警觉以防某种新的灾难。
- Keep on the alert; we're due for an inspection. 提防着点，轮到检查我们了。
- Be sure to be watchful or alert. 必须留神，千万要提防。
- The vertical line meets the horizontal one here. 垂直线与水平线在此相交。
- One line cuts another at right angles. 一条线与另一条线成直角相交。
- The printers have missed out a whole line here. 排版工人在这里漏掉了一整行。
- Participation in tender is in our line of business. 参加投标属于我们的业务范围。
- A long line of car is unable to pass that road hog. 一长串的车子无法超越那个挡道的汽车驾驶。
- They have put the army on the alert. 他们已使军队进入戒备状态。
- The sale office is on line to the warehouse. 营业部与仓库的计算机联网。
- The alert leopard went up to a deer quietly. 警觉的豹子静悄悄地走近一只鹿。
- How do you get start in that line of work? 你是怎么开始干那一行的？
- I do not want to be in the boss line of fire today. 今天我不想遭到老板的非难。
- An alert listener will have noticed the error. 耳朵尖的人能听出这个错。
- Place your right toe in line with your left heel. 把右脚趾与左脚跟排在一直线上。
- The line of flags was slung up between two trees. 一排旗帜悬挂在两棵树之间。
- My fishing line got entangled in some weeds. 我的钓鱼线同杂草纠缠在一起。
- The district was put on red alert during a terrorist bomb scare. 这个地区在得到恐怖主义者轰炸后作了应急准备。
