Nervous strain

nervous ['nɝvəs]

adj. 焦虑的;紧张不安的;神经质的;

nerv神经 + ous ...的 → a.紧张的，神经的；易激动的

strain [stren]

vt.& vi. 拉紧，拉伤;用力拉; n. 血统，家族;性格，脾气;语气;一段音乐; vt. 拉紧，拽紧或扯紧;尽量使力;扭伤;歪曲; vi. 不懈;受到强大的压力;拉紧，紧绷;

strain拉，压 → 尽力拉；工作过度

Is unable to express himself clearly.

不能很好地表达自己。

Barking dogs seldom bite.

善吠的狗很少咬人。

The only way that they can preserve their history is to recount it as sagas -- legends handed down from one generation of another.These legends are useful because they can tell us something about migrations of people who lived long ago, but none could wri

他们保存历史的唯一办法是将历史当作传说讲述，由讲述人一代接一代地将史实描述为传奇故事口传下来。