It is only to be expected that a human being toiling in this noise, dust and humidity should tire rapidly, especially during night shifts.
这大概是自然现象吧，人在这三种威胁下面工作，更加容易疲劳。
a threat or the act of threatening.
一个威胁或一种威胁的行为。
the dangers that threaten us
威胁着我们的种种危险
a tribe threatened by/with extinction
受到绝种威胁的部落.
One of them, coming out of the Cold War, I would call classic security threats.
一种威胁来自于冷战，我称之为传统的安全威胁；
Our military ties threaten no third party.
我们的军事关系, 不威胁任何第三方。
Basketball "Three Threats" Movement Technology Principle Analysis and Research;
篮球“三威胁”动作技术原理分析与研究
They have carried out threats of every action short of war.
他们采取了接近战争边缘的各种威胁。
Ice floes are a threat to shipping in the area.
浮冰对这一带的航运是一种威胁.
a foreign policy that relied on the big stick.
一种以武力威胁为基础的对外政策
He could feel the menace of the spreading.
他能感到这种膨胀的威胁。
They threatened revenge [every kind of torture].
他们威胁着要报复[使用各种酷刑]。
A nuclear war would be a threat to all mankind.
核战争对全人类都是一种威胁。
There is a threat implicit in the way he looked.
他的目光中隐含着一种威胁。
The threat was neither implied nor indirect.
这种威胁既不是含蓄的，也不是间接的。
A Method of Threat Evaluation Based on Target Type;
以目标类型为主的一种威胁评估方法
A Global Stream-Based Network Threat Monitoring System
一种基于数据流的网络威胁监控框架
Chu Yin-chiu, of course, was aware of all this, and his talk of "closing down for three months" was nothing but a threat.
这一切情形，当然朱吟秋都知道，因而他这什么“停工三个月”就是一种威胁。