The next morning Enzo could barely keep his eyes open.

第二天早上恩佐几乎睁不开眼睛。

youdao

He was bored senseless by the discussion, and found it hard to keep his eyes open.

他因为这讨论无聊到要昏过去，发现很难把眼睛睁开。

youdao

As he thus sat, his eyes would keep open no longer, and he felt a desire to sleep.

当他坐着的嘶吼，他的眼睛再也睁不开了，他想睡觉。

youdao

Within 48 hours of the first stimulation, the patient was able to keep his eyes open, turn his head, and utter words.

BBC: The electrodes were placed at specific points in the brain