four

weak

[形]虚弱的，无力

She was weak after her illness.

她病后很虚弱。

The coffee is too weak.

咖啡太淡了。

She felt weak from lack of sleep.

她由于睡眠不足感到浑身无力。

default

[动]拖欠，违反

[名]拖欠，默认

we can not default on our commitments.

我们不能违反自己的承诺。

default setting

默认值，初始值

It said that Internet Explore 10，the versin due to appear wirh Windows 8，would have DNT as a default.

他宣称将与Windiws 8一起推出的IE 10浏览器会把“不追踪”设置为默认程序。