比较级： more directly
最高级： most directly

Sleep is directly related to academic performance .

睡觉和学习表现有直接关系。

Israel 's worries bear more directly on its national security .

以色列的忧虑更直接地与其国家安全有关。

Etao and weibo don 't directly compete with baidu in web searches .

在网络搜索上，etao和微博并不与百度正面交锋。

Two shopkeepers owned stores directly across the street from each other .

两位店主开的店子隔街而直对。

Ask your questions directly , with as many or few specifics as you feel comfortable sharing .

直截了当地问，细节多少你自己掌握，只要你觉得说出来不别扭。