1. The relationship between the two countries was of shaky consistency.
    这两个国家间的关系不稳定。

2. Roosevelt was about to say something when in the flick of an eye great drops of sweat began beading off his face and he put a shaky hand to his forehead.
    罗斯福正准备说话，但转眼间脸上忽然涌出大滴大滴的汗珠，他举起颤抖的手去摸自己的额头。