- be on the safe side不冒险，为求保险;万无一失;
- fail to do未能（做）...， 没能（做）...;
- fail to未能…;
- fail in（使） 在…方面失败了;缺乏…，在…方面不足;
- never fail to一定会..;
- on the safe sideadv.安全可靠;
- to be on the safe side为了安全起见
- 双语例句
1、
More than 1000 single shell ships of fail - safe system are used everywhere in the world.
安全系数脆弱的一千多艘单壳船,仍在世界各地游弋.
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2、
Because of the fail safe construction track occupied could mean: track not determined free.
考虑故障安全结构,轨道占用的含义为: 轨道未被确认为空闲.
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3、
The trainborne, fail safe, ETCS computer.
车载设备, 故障安全的ETCS计算机.
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4、
Fail safe center position.
失败安全中心的地位.
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5、
It is becoming accepted practice that jet aircraft must " fail safe " .
喷气式飞机必须有故障 安全装置,这已经逐渐成为公认的常规.
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6、
The fail - safe position of the directional valve during power failure is the spring offset position.
该换向阀故障停电期间的安全位置偏移位置的春天.
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7、
Like electric motor actuators, these are not readily adaptable for a fail - safe mode.
和电动马达执行机构相同, 这种执行机构也不适用于故障安全模式.
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8、
Both monitors should be interlocked ( fail - safe ) to shut off the flow of silane upon detection.
两个监视器应该互锁 ( 失败 - 安全 ),在监测到泄露或起火时切断硅烷气流.
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9、
The utility model belongs to a fail - safe interlock operating device of a load switch.
本实用新型属于负荷开关五防联锁操作装置.
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10、
If the system is to fail - safe the pilot must be able to detect the change quickly.
如果该系统是不安全的,驾驶员必须能够很快发觉这种变化.
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11、
This cab signaling device is fail - safe and has highly reliability and - interference .
数字化双制式机车信号符合故障 - 安全原则,可靠性高, 抗干扰能力强.
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