The first rule is to make eye contact with your interviewer.

首先是眼睛要直视面试官。

《牛津词典》

The golden rule in tennis is to keep your eye on the ball.

打好网球的重要原则是眼要紧盯着球。

《牛津词典》

Physical and eye examinations, with special attention to cardiac and blood-pressure problems, should be performed annually to rule out serious medical conditions.

每年应进行身体和眼睛检查，特别注意心脏和血压问题，以排除严重的疾病。

youdao

Some eye-care offices have a device called an accommodation rule that allows a technician to slide an eye chart back and forth to simulate different distances.

WSJ: How Technology Tries Our Eyesight

Recently its prime minister, Recep Tayyip Erdogan, has also engaged robustly in Middle Eastern diplomacy, mediating between Syria and Israel, talking to Iran and keeping a beady eye on the aspirations for self-rule of the Kurds of northern Iraq.

ECONOMIST: America, Europe and Turkey

That said, it would be wrong to suggest that the two countries see eye-to-eye on all or even most big issues, or to rule out a dangerous falling-out in the future.

ECONOMIST: America and China