In spite of his illness, he clung tenaciously to his job.

尽管有病，他仍顽强地坚持工作。

Though seriously ill, he still clings tenaciously to life.

他虽然病情严重，但仍顽强地活着。

They cling to electrons quite tenaciously.

它们和电子紧紧地靠在一起。

Hold this picture tenaciously.

顽强地保持这个画面。

She relucted tenaciously against illness.

她顽强地和疾病做斗争。