This is the 5196th most frequent Chinese word.
一心
"Single-minded" or "wholehearted."
In this sentence, '一心' means 'wholeheartedly,' expressing full dedication to an action or goal.
她一心只愿做好自己的工作。
She wholeheartedly wishes only to do her job well.
Here, '一心' indicates devotion, showing single-mindedness towards spiritual practice.
他一心向佛，每日祈祷修行。
He is devoted to Buddhism, praying and practicing daily.
In this usage, '一心' conveys a focused desire or determination to achieve a particular outcome.